EP3693778A1 - High density and bandwidth fiber optic apparatuses and related equipment and methods - Google Patents
High density and bandwidth fiber optic apparatuses and related equipment and methods Download PDFInfo
- Publication number
- EP3693778A1 EP3693778A1 EP20160489.9A EP20160489A EP3693778A1 EP 3693778 A1 EP3693778 A1 EP 3693778A1 EP 20160489 A EP20160489 A EP 20160489A EP 3693778 A1 EP3693778 A1 EP 3693778A1
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- European Patent Office
- Prior art keywords
- fiber optic
- chassis
- space
- disposed
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4452—Distribution frames
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4453—Cassettes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4453—Cassettes
- G02B6/4455—Cassettes characterised by the way of extraction or insertion of the cassette in the distribution frame, e.g. pivoting, sliding, rotating or gliding
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4471—Terminating devices ; Cable clamps
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
Definitions
- the technology of the disclosure relates to fiber optic connection density and bandwidth provided in fiber optic apparatuses and equipment.
- optical fiber is increasingly being used for a variety of applications, including but not limited to broadband voice, video, and data transmission.
- Fiber optic networks employing optical fiber are being developed and used to deliver voice, video, and data transmissions to subscribers over both private and public networks. These fiber optic networks often include separated connection points linking optical fibers to provide "live fiber" from one connection point to another connection point.
- fiber optic equipment is located in data distribution centers or central offices to support interconnections. For example, the fiber optic equipment can support interconnections between servers, storage area networks (SANs), and other equipment at data centers. Interconnections may be supported by fiber optic patch panels or modules.
- the fiber optic equipment is customized based on the application and connection bandwidth needs.
- the fiber optic equipment is typically included in housings that are mounted in equipment racks to optimize use of space.
- the data rates that can be provided by equipment in a data center are governed by the connection bandwidth supported by the fiber optic equipment.
- the bandwidth is governed by the number of optical fiber ports included in the fiber optic equipment and the data rate capabilities of a transceiver connected to the optical fiber ports.
- additional fiber optic equipment can be employed or scaled in the data center to increase optical fiber port count.
- increasing the number of optical fiber ports can require more equipment rack space in a data center.
- Providing additional space for fiber optic equipment increases costs.
- Embodiments disclosed in the detailed description include high-density and connection bandwidth fiber optic apparatuses and related equipment and methods.
- fiber optic apparatuses comprising a chassis are provided.
- the chassis may be configured to support a fiber optic connection density of at least ninety-eight (98), at least one hundred twenty (120) per U space, or at least one hundred forty-four (144) fiber optic connections per U space based on using at least one simplex or duplex fiber optic component.
- the chassis may be configured to support a fiber optic connection density of at least four hundred thirty-four (434) or at least five hundred seventy-six (576) fiber optic connections per U space based on using at least one twelve (12) fiber, fiber optic component.
- the at least one of the chassis may be configured to support a fiber optic connection density of at least eight hundred sixty-six (866) per U space or at least one thousand one hundred fifty-two (1152) fiber optic connections per U space based on using at least one twenty-four (24) fiber, fiber optic component.
- Methods of providing and supporting the aforementioned fiber optic connections densities are also provided.
- fiber optic apparatuses comprising a chassis may be configured to support a full-duplex connection bandwidth of at least nine hundred sixty-two (962) Gigabits per second per U space, at least one thousand two hundred (1200) Gigabits per second, or at least one thousand four hundred forty (1440) Gigabits per second per U space based on using at least one simplex or duplex fiber optic component.
- 962 nine hundred sixty-two
- Gigabits per second per U space at least one thousand two hundred (1200) Gigabits per second
- at least one thousand four hundred forty (1440) Gigabits per second per U space based on using at least one simplex or duplex fiber optic component.
- the chassis may be configured to support a full-duplex connection bandwidth of at least four thousand three hundred twenty-two (4322) Gigabits per second per U space, at least four thousand eight hundred (4800) Gigabits per second, or at least five thousand seven hundred sixty (5760) Gigabits per second per U space based on using at least one twelve (12) fiber, fiber optic component.
- the chassis may be configured to support a full-duplex connection bandwidth of at least eight thousand six hundred forty-two (8642) Gigabits per second per U space. Methods of providing and supporting the aforementioned fiber optic connection bandwidths are also provided.
- Embodiments disclosed in the detailed description include high-density fiber optic modules and fiber optic module housings and related equipment.
- the width and/or height of the front opening of fiber optic modules and/or fiber optic module housings can be provided according to a designed relationship to the width and/or height, respectively, of a front side of the main body of the fiber optic modules and fiber optic module housings to support fiber optic components or connections.
- fiber optic components can be installed in a given percentage or area of the front side of the fiber optic module to provide a high density of fiber optic connections for a given fiber optic component type(s).
- the front openings of the fiber optic modules and/or fiber optic module housings can be provided to support a designed connection density of fiber optic components or connections for a given width and/or height of the front opening of the fiber optic module and/or fiber optic module housing.
- Embodiments disclosed in the detailed description also include high connection density and bandwidth fiber optic apparatuses and related equipment.
- fiber optic apparatuses are provided and comprise a chassis defining one or more U space fiber optic equipment units, wherein at least one of the one or more U space fiber optic equipment units is configured to support a given fiber optic connection density or bandwidth in a 1-U space, and for a given fiber optic component type(s).
- FIG. 1 illustrates exemplary 1-U size fiber optic equipment 10 from a front perspective view.
- the fiber optic equipment 10 supports high-density fiber optic modules that support a high fiber optic connection density and bandwidth in a 1-U space, as will be described in greater detail below.
- the fiber optic equipment 10 may be provided at a data distribution center or central office to support cable-to-cable fiber optic connections and to manage a plurality of fiber optic cable connections.
- the fiber optic equipment 10 has one or more fiber optic equipment trays that each support one or more fiber optic modules.
- the fiber optic equipment 10 could also be adapted to support one or more fiber optic patch panels or other fiber optic equipment that supports fiber optic components and connectivity.
- the fiber optic equipment 10 includes a fiber optic equipment chassis 12 ("chassis 12 ").
- the chassis 12 is shown as being installed in a fiber optic equipment rack 14.
- the fiber optic equipment rack 14 contains two vertical rails 16A , 16B that extend vertically and include a series of apertures 18 for facilitating attachment of the chassis 12 inside the fiber optic equipment rack 14.
- the chassis 12 is attached and supported by the fiber optic equipment rack 14 in the form of shelves that are stacked on top of each other within the vertical rails 16A , 16B. As illustrated, the chassis 12 is attached to the vertical rails 16A , 16B.
- the fiber optic equipment rack 14 may support 1-U-sized shelves, with "U” equal to a standard 1.75 inches in height and nineteen (19) inches in width.
- the width of "U" may be twenty-three (23) inches.
- the term fiber optic equipment rack 14 should be understood to include structures that are cabinets as well.
- the chassis 12 is 1-U in size; however, the chassis 12 could be provided in a size greater than 1-U as well.
- the fiber optic equipment 10 includes a plurality of extendable fiber optic equipment trays 20 that each carries one or more fiber optic modules 22.
- the chassis 12 and fiber optic equipment trays 20 support fiber optic modules 22 that support high-density fiber optic modules and a fiber optic connection density and bandwidth connections in a given space, including in a 1-U space.
- FIG. 1 shows exemplary fiber optic components 23 disposed in the fiber optic modules 22 that support fiber optic connections.
- the fiber optic components 23 may be fiber optic adapters or fiber optic connectors.
- the fiber optic modules 22 in this embodiment can be provided such that the fiber optic components 23 can be disposed through at least eighty-five percent (85%) of the width of the front side or face of the fiber optic module 22 , as an example.
- This fiber optic module 22 configuration may provide a front opening of approximately 90 millimeters (mm) or less wherein fiber optic components can be disposed through the front opening and at a fiber optic connection density of at least one fiber optic connection per 7.0 mm of width of the front opening of the fiber optic modules 22 for simplex or duplex fiber optic components 23 .
- six (6) duplex or twelve (12) simplex fiber optic components may be installed in each fiber optic module 22.
- the fiber optic equipment trays 20 in this embodiment support up to four (4) of the fiber optic modules 22 in approximately the width of a 1-U space, and three (3) fiber optic equipment trays 20 in the height of a 1-U space for a total of twelve (12) fiber optic modules 22 in a 1-U space.
- the fiber optic equipment trays 20 in this embodiment support up to four (4) of the fiber optic modules 22 in approximately the width of a 1-U space, and three (3) fiber optic equipment trays 20 in the height of a 1-U space for a total of twelve (12) fiber optic modules 22 in a 1-U space.
- a total of one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels i.e., transmit and receive channels
- duplex fiber optic adapters are disposed in each of the twelve (12) fiber optic modules 22 installed in fiber optic equipment trays 20 of the chassis 12 , a total of one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, would be supported by the chassis 12 in a 1-U space.
- the chassis 12 also supports at least ninety-eight (98) fiber optic components in a 1-U space wherein at least one of the fiber optic components is a simplex or duplex fiber optic component.
- multi-fiber fiber optic components were installed in the fiber optic modules 22 , such as MPO components for example, higher fiber optic connection density and bandwidths would be possible over other chassis 12 that use similar fiber optic components. For example, if up to four (4) twelve (12) fiber MPO fiber optic components were disposed in each fiber optic module 22 , and twelve (12) of the fiber optic modules 22 were disposed in the chassis 12 in a 1-U space, the chassis 12 would support up to five hundred seventy-six (576) fiber optic connections in a 1-U space.
- fiber MPO fiber optic components were disposed in each fiber optic module 22 , and twelve (12) of the fiber optic modules 22 were disposed in the chassis 12 , up to one thousand one hundred fifty-two (1152) fiber optic connections in a 1-U space.
- FIG. 2 is a rear perspective close-up view of the chassis 12 of FIG. 1 with fiber optic modules 22 loaded with fiber optic components 23 and installed in fiber optic equipment trays 20 installed in the chassis 12.
- Module rails 28A , 28B are disposed on each side of each fiber optic module 22.
- the module rails 28A , 28B are configured to be inserted within tray channels 30 of module rail guides 32 disposed in the fiber optic equipment tray 20 , as illustrated in more detail in FIGS. 3-5 . Note that any number of module rail guides 32 can be provided.
- the fiber optic module 22 can be installed from both a front end 34 and a rear end 36 of the fiber optic equipment tray 20 in this embodiment.
- a front end 33 of the fiber optic module 22 can be inserted from the rear end 36 of the fiber optic equipment tray 20. More specifically, the front end 33 of the fiber optic module 22 is inserted into the tray channels 30 of the module rail guides 32. The fiber optic module 22 can then be pushed forward within the tray channels 30 until the fiber optic module 22 reaches the front end 34 of the module rail guides 32. The fiber optic modules 22 can be moved towards the front end 34 until the fiber optic modules 22 reach a stop or locking feature disposed in the front end 34 as will described later in this application.
- FIG. 6 also illustrates the fiber optic equipment tray 20 without installed fiber optic modules 22 to illustrate the tray channels 30 and other features of the fiber optic equipment tray 20.
- the fiber optic module 22 can be locked into place in the fiber optic equipment tray 20 by pushing the fiber optic module 22 forward to the front end 33 of the fiber optic equipment tray 20.
- a locking feature in the form of a front stop 38 is disposed in the module rail guides 32 , as illustrated in FIG. 3 and in more detail in the close-up view in FIG. 4 .
- the front stop 38 prevents the fiber optic module 22 from extending beyond the front end 34 , as illustrated in the close-up view of the fiber optic equipment tray 20 with installed fiber optic modules 22 in FIG. 5 .
- a front module tab 40 also disposed in the module rail guides 32 and coupled to the front stop 38 can be pushed downward to engage the front stop 38.
- the front stop 38 will move outward away from the fiber optic module 22 such that the fiber optic module 22 is not obstructed from being pulled forward.
- the fiber optic module 22 and in particular its module rails 28A, 28B ( FIG. 2 ), can be pulled forward along the module rail guides 32 to remove the fiber optic module 22 from the fiber optic equipment tray 20.
- the fiber optic module 22 can also be removed from the rear end 36 of the fiber optic equipment tray 20.
- a latch 44 is disengaged by pushing a lever 46 (see FIGS. 2 and 3 ; see also, FIGS. 10A and 10B ) inward towards the fiber optic module 22 to release the latch 44 from the module rail guide 32.
- a finger hook 48 is provided adjacent to the lever 46 so the lever 46 can easily be squeezed into the finger hook 48 by a thumb and index finger.
- the fiber optic equipment tray 20 may also contain extension members 50.
- Routing guides 52 may be conveniently disposed on the extension members 50 to provide routing for optical fibers or fiber optic cables connected to fiber optic components 23 disposed in the fiber optic modules 22 ( FIG. 3 ).
- the routing guides 52' on the ends of the fiber optic equipment tray 20 may be angled with respect to the module rail guides 32 to route optical fibers or fiber optic cables at an angle to the sides of the fiber optic equipment tray 20.
- Pull tabs 54 may also be connected to the extension members 50 to provide a means to allow the fiber optic equipment tray 20 to easily be pulled out from and pushed into the chassis 12.
- the fiber optic equipment tray 20 also contains tray rails 56.
- the tray rails 56 are configured to be received in tray guides 58 disposed in the chassis 12 to retain and allow the fiber optic equipment trays 20 to move in and out of the chassis 12 , as illustrated in FIG. 7 . More detail regarding the tray rails 56 and their coupling to the tray guides 58 in the chassis 12 is discussed below with regard to FIGS. 8 and 9A -9B.
- the fiber optic equipment trays 20 can be moved in and out of the chassis 12 by their tray rails 56 moving within the tray guides 58. In this manner, the fiber optic equipment trays 20 can be independently movable about the tray guides 58 in the chassis 12.
- the tray guides 58 may be disposed on both a left side end 60 and a right side end 62 of the fiber optic equipment tray 20.
- the tray guides 58 are installed opposite and facing each other in the chassis 12 to provide complementary tray guides 58 for the tray rails 56 of the fiber optic equipment trays 20 received therein. If it is desired to access a particular fiber optic equipment tray 20 and/or a particular fiber optic module 22 in a fiber optic equipment tray 20 , the pull tab 54 of the desired fiber optic equipment tray 20 can be pulled forward to cause the fiber optic equipment tray 20 to extend forward out from the chassis 12 , as illustrated in FIG. 7 .
- the fiber optic module 22 can be removed from the fiber optic equipment tray 20 as previously discussed. When access is completed, the fiber optic equipment tray 20 can be pushed back into the chassis 12 wherein the tray rails 56 move within the tray guides 58 disposed in the chassis 12.
- FIG. 8 is a left perspective view of an exemplary tray guide 58 disposed in the chassis 12 of FIG. 1 .
- the tray guides 58 are configured to receive fiber optic equipment trays 20 supporting one or more fiber optic modules 22 in the chassis 12.
- the tray guides 58 allow the fiber optic equipment trays 20 to be pulled out from the chassis 12 , as illustrated in FIG. 7 .
- the tray guide 58 in this embodiment is comprised of a guide panel 64.
- the guide panel 64 may be constructed out of any material desired, including but not limited to a polymer or metal.
- the guide panel 64 contains a series of apertures 66 to facilitate attachment of the guide panel 64 to the chassis 12 , as illustrated in FIG. 8 .
- Guide members 68 are disposed in the guide panel 64 and configured to receive the tray rail 56 of the fiber optic equipment tray 20.
- Three (3) guide members 68 are disposed in the guide panel 64 in the embodiment of FIG. 8 to be capable of receiving up to three (3) tray rails 56 of three (3) fiber optic equipment trays 20 in a 1-U space.
- any number of guide members 68 desired may be provided in the tray guide 58 to cover sizes less than or greater than a 1-U space.
- the guide members 68 each include guide channels 70 configured to receive and allow tray rails 56 to move along the guide channels 70 for translation of the fiber optic equipment trays 20 about the chassis 12.
- Leaf springs 72 are disposed in each of the guide members 68 of the tray guide 58 and are each configured to provide stopping positions for the tray rails 56 during movement of the fiber optic equipment tray 20 in the guide members 68.
- the leaf springs 72 each contain detents 74 that are configured to receive protrusions 76 ( FIG. 9A-9D ) disposed in the tray rails 56 to provide stopping or resting positions.
- the tray rails 56 contain mounting platforms 75 that are used to attach the tray rails 56 to the fiber optic equipment trays 20. It may be desirable to provide stopping positions in the tray guide 56 to allow the fiber optic equipment trays 20 to have stopping positions when moved in and out of the chassis 12.
- Two (2) protrusions 76 in the tray rail 56 are disposed in two (2) detents 74 in the tray guide 58 at any given time.
- the two (2) protrusions 76 of the tray rail 56 are disposed in the one detent 74 adjacent a rear end 77 of the guide channel 70 and the middle detent 74 disposed between the rear end 77 and a front end 78 of the guide channel 70.
- the two (2) protrusions 76 of the tray rail 56 are disposed in the one detent 74 adjacent the front end 78 of the guide channel 70 and the middle detent 74 disposed between the rear end 77 and the front end 78 of the guide channel 70.
- a protrusion 80 disposed in the tray rail 56 and illustrated in FIGS. 9A and 9B is biased to pass over transition members 82 disposed between the leaf springs 72 , as illustrated in FIG. 8 .
- the protrusion 80 is provided in a leaf spring 81 disposed in the tray rail 56 , as illustrated in FIGS. 9A and 9B .
- the transition members 82 have inclined surfaces 84 that allow the protrusion 80 to pass over the transition members 82 as the fiber optic equipment tray 20 is being translated with the guide channel 70.
- stopping members 86 are disposed at the front end 78 and rear end 77 of the guide channel 70.
- the stopping members 86 do not have an inclined surface; thus the protrusion 80 in the tray rail 56 abuts against the stopping member 86 and is prevented from extending over the stopping member 86 and outside of the front end 78 of the guide channel 70.
- the form factor of the fiber optic module 22 allows a high density of fiber optic components 23 to be disposed within a certain percentage area of the front of the fiber optic module 22 thus supporting a particular fiber optic connection density and bandwidth for a given type of fiber optic component 23.
- this fiber optic module 22 form factor is combined with the ability to support up to twelve (12) fiber optic modules 22 in a 1-U space, as described by the exemplary chassis 12 example above, a higher fiber optic connection density and bandwidth is supported and possible.
- FIGS. 10A and 10B are right and left perspective views of the exemplary fiber optic module 22.
- the fiber optic module 22 can be installed in the fiber optic equipment trays 20 to provide fiber optic connections in the chassis 12.
- the fiber optic module 22 is comprised of a main body 90 receiving a cover 92.
- An internal chamber 94 FIG. 11 ) disposed inside the main body 90 and the cover 92 and is configured to receive or retain optical fibers or a fiber optic cable harness, as will be described in more detail below.
- the main body 90 is disposed between a front side 96 and a rear side 98 of the main body 90.
- Fiber optic components 23 can be disposed through the front side 96 of the main body 90 and configured to receive fiber optic connectors connected to fiber optic cables (not shown).
- the fiber optic components 23 are duplex LC fiber optic adapters that are configured to receive and support connections with duplex LC fiber optic connectors.
- any fiber optic connection type desired can be provided in the fiber optic module 22.
- the fiber optic components 23 are connected to a fiber optic component 100 disposed through the rear side 98 of the main body 90. In this manner, a connection to the fiber optic component 23 creates a fiber optic connection to the fiber optic component 100.
- the fiber optic component 100 is a multi-fiber MPO fiber optic adapter equipped to establish connections to multiple optical fibers (e.g., either twelve (12) or twenty-four (24) optical fibers).
- the fiber optic module 22 may also manage polarity between the fiber optic components 23, 100.
- the module rails 28A, 28B are disposed on each side 102A, 102B of the fiber optic module 22. As previously discussed, the module rails 28A, 28B are configured to be inserted within the module rail guides 32 in the fiber optic equipment tray 20 , as illustrated in FIG. 3 . In this manner, when it is desired to install a fiber optic module 22 in the fiber optic equipment tray 20 , the front side 96 of the fiber optic module 22 can be inserted from either the front end 33 or the rear end 36 of the fiber optic equipment tray 20 , as previously discussed.
- FIG. 11 illustrates the fiber optic module 22 in an exploded view with the cover 92 of the fiber optic module 22 removed to illustrate the internal chamber 94 and other internal components of the fiber optic module 22.
- FIG. 12 illustrates the fiber optic module 22 assembled, but without the cover 92 installed on the main body 90.
- the cover 92 includes notches 106 disposed in sides 108, 110 that are configured to interlock with protrusions 112 disposed on the sides 102A, 102B of the main body 90 of the fiber optic modules 22 when the cover 92 is attached to the main body 90 to secure the cover 92 to the main body 90.
- the cover 92 also contains notches 114, 116 disposed on a front side 118 and rear side 120 , respectively, of the cover 92.
- the notches 114 , 116 are configured to interlock with protrusions 122, 124 disposed in the front side 96 and the rear end 98 , respectively, of the main body 90 when the cover 92 is attached to the main body 90 to also secure the cover 92 to the main body 90.
- FIG. 12 does not show protrusions 122, 124.
- the fiber optic components 23 are disposed through a front opening 126 disposed along a longitudinal axis L 1 in the front side 96 of the main body 90 .
- the fiber optic components 23 are duplex LC adapters 128 , which support single or duplex fiber connections and connectors.
- the duplex LC adapters 128 in this embodiment contain protrusions 130 that are configured to engage with orifices 135 disposed on the main body 90 to secure the duplex LC adapters 128 in the main body 90 in this embodiment.
- a cable harness 134 is disposed in the internal chamber 94 with fiber optic connectors 136, 138 disposed on each end of optical fibers 139 connected to the duplex LC adapters 128 and the fiber optic component 100 disposed in the rear side 98 of the main body 90.
- the fiber optic component 100 in this embodiment is a twelve (12) fiber MPO fiber optic adapter 140 in this embodiment.
- Two vertical members 142A, 142B are disposed in the internal chamber 94 of the main body 90 , as illustrated in FIG. 12 , to retain the looping of the optical fibers 139 of the cable harness 134.
- the vertical members 142A, 142B and the distance therebetween are designed to provide a bend radius R in the optical fibers 139 no greater than forty (40)mm and preferably twenty-five (25)mm or lessin this embodiment.
- FIG. 13 illustrates a front view of the fiber optic module 22 without loaded fiber optic components 23 in the front side 96 to further illustrate the form factor of the fiber optic module 22 .
- the front opening 126 is disposed through the front side 96 of the main body 90 to receive the fiber optic components 23 .
- the greater the width W 1 of the front opening 126 the greater the number of fiber optic components 23 that may be disposed in the fiber optic module 22 .
- Greater numbers of fiber optic components 23 equates to more fiber optic connections, which supports higher fiber optic connectivity and bandwidth.
- the larger the width W 1 of the front opening 126 the greater the area required to be provided in the chassis 12 for the fiber optic module 22 .
- the width W 1 of the front opening 126 is design to be at least eighty-five percent (85%) of the width W 2 of the front side 96 of the main body 90 of the fiber optic module 22 .
- the greater the percentage of the width W 1 to width W 2 the larger the area provided in the front opening 126 to receive fiber optic components 23 without increasing width W 2 .
- Width W 3 the overall width of the fiber optic module 22 , may be 86.6 mm or 3.5 inches in this embodiment.
- the overall depth D 1 of the fiber optic module 22 is 113.9 mm or 4.5 inches in this embodiment ( FIG. 12 ).
- the fiber optic module 22 is designed such that four (4) fiber optic modules 22 can be disposed in a 1-U width space in the fiber optic equipment tray 20 in the chassis 12.
- the width of the chassis 12 is designed to accommodate a 1-U space width in this embodiment.
- a total of twelve (12) fiber optic modules 22 can be supported in a given 1-U space.
- Supporting up to twelve (12) fiber optic connections per fiber optic module 22 as illustrated in the chassis 12 in FIG. 1 equates to the chassis 12 supporting up to one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels, in a 1-U space in the chassis 12 (i.e., twelve (12) fiber optic connections X twelve (12) fiber optic modules 22 in a 1-U space).
- the chassis 12 is capable of supporting up to one hundred forty-four (144) fiber optic connections in a 1-U space by twelve (12) simplex or six (6) duplex fiber optic adapters being disposed in the fiber optic modules 22.
- Supporting up to ten (10) fiber optic connections per fiber optic module 22 equates to the chassis 12 supporting one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, in a 1-U space in the chassis 12 (i.e., ten (10) fiber optic connections X twelve (12) fiber optic modules 22 in a 1-U space).
- the chassis 12 is also capable of supporting up to one hundred twenty (120) fiber optic connections in a 1-U space by ten (10) simplex or five (5) duplex fiber optic adapters being disposed in the fiber optic modules 22 .
- This embodiment of the chassis 12 and fiber optic module 22 disclosed herein can support a fiber optic connection density within a 1-U space wherein the area occupied by the fiber optic component 23 in twelve (12) fiber optic modules 22 in a 1-U space represents at least fifty percent (50%) of the total fiber optic equipment rack 14 area in a 1-U space (see FIG. 1 ).
- the 1-U space is comprised of the fiber optic components 23 occupying at least seventy-five percent (75%) of the area of the front side 96 of the fiber optic module 22.
- Two (2) duplexed optical fibers to provide one (1) transmission/reception pair can allow for a data rate of ten (10) Gigabits per second in half-duplex mode or twenty (20) Gigabits per second in full-duplex mode.
- providing at least seventy-two (72) duplex transmission and reception pairs in a 1-U space employing at least one duplex or simplex fiber optic component can support a data rate of at least seven hundred twenty (720) Gigabits per second in half-duplex mode in a 1-U space or at least one thousand four hundred forty (1440) Gigabits per second in a 1-U space in full-duplex mode if employing a ten (10) Gigabit transceiver.
- This configuration can also support at least six hundred (600) Gigabits per second in half-duplex mode in a 1-U space and at least one thousand two hundred (1200) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a one hundred (100) Gigabit transceiver.
- This configuration can also support at least four hundred eighty (480) Gigabits per second in half-duplex mode in a 1-U space and nine hundred sixty (960) Gigabits per second in full duplex mode in a 1-U space, respectively, if employing a forty (40) Gigabit transceiver.
- At least sixty (60) duplex transmission and reception pairs in a 1-U space can allow for a data rate of at least six hundred (600) Gigabits per second in a 1-U space in half-duplex mode or at least one thousand two hundred (1200) Gigabits per second in a 1-U space in full-duplex mode when employing a ten (10) Gigabit transceiver.
- At least forty nine (49) duplex transmission and reception pairs in a 1-U space can allow for a data rate of at least four hundred eighty-one (481) Gigabits per second in half-duplex mode or at least nine hundred sixty-two (962) Gigabits per second in a 1-U space in full-duplex mode when employing a ten (10) Gigabit transceiver.
- the width W 1 of front opening 126 could be designed to be greater than eighty-five percent (85%) of the width W 2 of the front side 96 of the main body 90 of the fiber optic module 22 .
- the width W 1 could be designed to be between ninety percent (90%) and ninety-nine percent (99%) of the width W 2 .
- the width W 1 could be less than ninety (90) mm.
- the width W 1 could be less than eighty-five (85) mm or less than eighty (80) mm.
- the width W 1 may be eighty-three (83) mm and width W 2 may be eighty-five (85) mm, for a ratio of width W 1 to width W 2 of 97.6%.
- the front opening 126 may support twelve (12) fiber optic connections in the width W 1 to support a fiber optic connection density of at least one fiber optic connection per 7.0 mm of width W 1 of the front opening 126 .
- the front opening 126 of the fiber optic module 22 may support twelve (12) fiber optic connections in the width W 1 to support a fiber optic connection density of at least one fiber optic connection per 6.9 mm of width W 1 of the front opening 126 .
- height H 1 of front opening 126 could be designed to be at least ninety percent (90%) of height H 2 of the front side 96 of the main body 90 of the fiber optic module 22 .
- the front opening 126 has sufficient height to receive the fiber optic components 23 , and such that three (3) fiber optic modules 22 can be disposed in a 1-U space height.
- height H 1 could be twelve (12) mm or less or ten (10) mm or less.
- height H 1 could be ten (10) mm and height H 2 could be eleven (11) mm (or 7/16 inches), for a ratio of height H 1 to width H 2 of 90.9%.
- FIG. 14 is a front perspective view of an alternate fiber optic module 22' that can be installed in the fiber optic equipment tray 20 of FIG. 1 .
- the form factor of the fiber optic module 22' is the same as the form factor of the fiber optic module 22 illustrated in FIGS. 1-13 .
- two (2) MPO fiber optic adapters 150 are disposed through the front opening 126 of the fiber optic module 22'.
- the MPO fiber optic adapters 150 are connected to two (2) MPO fiber optic adapters 152 disposed in the rear side 98 of the main body 90 of the fiber optic module 22'.
- the fiber optic module 22' can support up to twenty-four (24) fiber optic connections.
- up to twelve (12) fiber optic modules 22' are provided in the fiber optic equipment trays 20 of the chassis 12 , up to two hundred eighty-eight (288) fiber optic connections can be supported by the chassis 12 in a 1-U space.
- the front opening 126 of the fiber optic module 22' may support twenty-four (24) fiber optic connections in the width W 1 ( FIG. 13 ) to support a fiber optic connection density of at least one fiber optic connection per 3.4-3.5 mm of width W 1 of the front opening 126 .
- a panel may have one or more adapter on one side and no adapters on the opposite side.
- providing at least two-hundred eighty-eight (288) duplex transmission and reception pairs in a 1-U space employing at least one twelve (12) fiber MPO fiber optic components can support a data rate of at least two thousand eight hundred eighty (2880) Gigabits per second in half-duplex mode in a 1-U space or at least five thousand seven hundred sixty (5760) Gigabits per second in a 1-U space in full-duplex mode if employing a ten (10) Gigabit transceiver.
- This configuration can also support at least four thousand eight hundred (4800) Gigabits per second in half-duplex mode in a 1-U space and nine thousand six hundred (9600) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a one hundred (100) Gigabit transceiver.
- This configuration can also support at least one thousand nine hundred twenty (1920) Gigabits per second in half-duplex mode in a 1-U space and three thousand eight hundred forty (3840) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a forty (40) Gigabit transceiver.
- This configuration also supports a data rate of at least four thousand three hundred twenty-two (4322) Gigabits per second in full-duplex mode in a 1-U space when employing a ten (10) Gigabit transceiver employing at least one twelve (12) fiber MPO fiber optic component, or two thousand one hundred sixty-one (2161) Gigabits per second in full-duplex mode in a 1-U space when employing a ten (10) Gigabit transceiver employing at least one twenty-four (24) fiber MPO fiber optic component.
- the fiber optic module 22' can support up to forty-eight (48) fiber optic connections.
- the fiber optic module 22' can support up to twelve (12) fiber optic modules 22' are provided in the fiber optic equipment trays 20 of the chassis 12 .
- up to five hundred seventy-six (576) fiber optic connections can be supported by the chassis 12 in a 1-U space if the fiber optic modules 22' are disposed in the fiber optic equipment trays 20 .
- the front opening 126 of the fiber optic module 22' may support up to forty-eight (48) fiber optic connections in the width W 1 to support a fiber optic connection density of at least one fiber optic connection per 1.7 mm of width W 1 of the front opening 126 .
- FIG. 15 is a front perspective view of another alternate fiber optic module 22" that can be installed in the fiber optic equipment tray 20 of FIG. 1 .
- the form factor of the fiber optic module 22" is the same as the form factor of the fiber optic module 22 illustrated in FIGS. 1-13 .
- four (4) MPO fiber optic adapters 154 are disposed through the front opening 126 of the fiber optic module 22".
- the MPO fiber optic adapters 154 are connected to four (4) MPO fiber optic adapters 156 disposed in the rear end 98 of the main body 90 of the fiber optic module 22'.
- the MPO fiber optic adapters 150 support twelve (12) fibers
- the fiber optic module 22" can support up to forty-eight (48) fiber optic connections.
- the front opening 126 of the fiber optic module 22" may support twenty-four (24) fiber optic connections in the width W 1 to support a fiber optic connection density of at least one fiber optic connection per 1.7 mm of width W 1 of the front opening 126 .
- the fiber optic module 22" can support up to ninety-six (96) fiber optic connections.
- the front opening 126 of the fiber optic module 22" may support up to ninety-six (96) fiber optic connections in the width W 1 to support a fiber optic connection density of at least one fiber optic connection per 0.85 mm of width W 1 of the front opening 126 .
- fiber MPO fiber optic component can support a data rate of at least five thousand seven hundred sixty (5760) Gigabits per second in half-duplex mode in a 1-U space or at least eleven thousand five hundred twenty (11520) Gigabits per second in a 1-U space in full-duplex mode if employing a ten (10) Gigabit transceiver.
- This configuration can also support at least four thousand eight hundred (4800) Gigabits per second in half-duplex mode in a 1-U space and at least nine thousand six hundred (9600) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a one hundred (100) Gigabit transceiver.
- This configuration can also support at least three thousand eight hundred forty (3840) Gigabits per second in half-duplex mode in a 1-U space and at least seven thousand six hundred eighty (7680) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a forty (40) Gigabit transceiver.
- This configuration also supports a data rate of at least eight thousand six hundred forty two (8642) Gigabits per second in full-duplex mode in a 1-U space when employing a ten (10) Gigabit transceiver employing at least one twenty-four (24) fiber MPO fiber optic component, or four thousand three hundred twenty one (4321) Gigabits per second in full-duplex mode in a 1-U space when employing a ten (10) Gigabit transceiver employing at least one twenty-four (24) fiber MPO fiber optic component.
- FIG. 16 illustrates an alternate fiber optic module 160 that may be provided in the fiber optic equipment trays 20 to support fiber optic connections and connection densities and bandwidths.
- FIG. 17 is a right front perspective view of the fiber optic module 160 of FIG. 16 .
- the fiber optic module 160 is designed to fit across two sets of module rail guides 32.
- a channel 162 is disposed through a center axis 164 of the fiber optic module 160 to receive a module rail guide 32 in the fiber optic equipment tray 20.
- Module rails 165A, 165B similar to the module rails 28A, 28B of the fiber optic module 22 of FIGS. 1-13 , are disposed on the inside the channel 162 of the fiber optic module 160 and configured to engage with tray channels 30 in the fiber optic equipment tray 20.
- Module rails 166A, 166B are disposed on each side 168, 170 of the fiber optic module 160 that are configured to engage with tray channels 30 in the fiber optic equipment tray 20.
- the module rails 166A, 166B are configured to engage with tray channels 30 in a module rail guide 32 disposed between module rail guides 32 engaged with the module rail guides 32 disposed on the sides 168, 170 of the fiber optic module 160.
- Up to twenty-four (24) fiber optic components 23 can be disposed in a front side 172 of the fiber optic module 160.
- the fiber optic components 23 are comprised of up to twelve (12) duplex LC fiber optic adapters, which are connected to one twenty-four (24) fiber MPO fiber optic connector 174 disposed in a rear end 176 of the fiber optic module 160.
- the fiber optic components 23 are comprised of up to twelve (12) duplex LC fiber optic adapters, which are connected to one twenty-four (24) fiber MPO fiber optic connector 174 disposed in a rear end 176 of the fiber optic module 160.
- Supporting up to twenty-four (24) fiber optic connections per fiber optic module 160 equates to the chassis 12 supporting up to one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty-four (24) fiber optic connections X six (6) fiber optic modules 160 in a 1-U space).
- the chassis 12 is capable of supporting up to one hundred forty-four (144) fiber optic connections in a 1-U space by twenty-four (24) simplex or twelve (12) duplex fiber optic adapters being disposed in the fiber optic modules 160.
- Supporting up to twenty (20) fiber optic connections per fiber optic module 160 equates to the chassis 12 supporting one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty (20) fiber optic connections X six (6) fiber optic modules 160 in a 1-U space).
- the chassis 12 is also capable of supporting up to one hundred twenty (120) fiber optic connections in a 1-U space by twenty (20) simplex or ten (10) duplex fiber optic adapters being disposed in the fiber optic modules 160.
- FIG. 18 illustrates a front view of the fiber optic module 160 of FIGS. 16-17 without loaded fiber optic components 23 in the front side 172 to further illustrate the form factor of the fiber optic module 160 in this embodiment.
- Front openings 178A , 178B disposed on each side of the channel 162 are disposed through the front side 172 of a main body 180 of the fiber optic module 160 to receive the fiber optic components 23 .
- the widths W 1 and W 2 and the heights H 1 and H 2 are the same as in the fiber optic module 22 illustrated in FIG. 13 .
- the widths W 1 of front openings 178A, 178B are designed to be at least eighty-five percent (85%) of the width W 2 of the front side 172 of the main body 180 of the fiber optic module 160.
- the greater the percentage of the width W 1 to width W 2 the larger the area provided in the front openings 178A, 178B to receive fiber optic components 23 without increasing width W 2 .
- the width W 1 of the front openings 178A, 178B could each be designed to be greater than eighty-five percent (85%) of the width W 2 of the front side 172 of the main body 180 of the fiber optic module 160 .
- the width W 1 could be designed to be between ninety percent (90%) and ninety-nine percent (99%) of the width W 2 .
- the width W 1 could be less than ninety (90) mm.
- the width W 1 could be less than eighty-five (85) mm or less than eighty (80) mm.
- width W 1 may be eighty-three (83) mm and width W 2 may be eighty-five (85) mm, for a ratio of width W 1 to width W 2 of 97.6%.
- the front openings 178A, 178B may support twelve (12) fiber optic connections in the widths W 1 to support a fiber optic connection density of at least one fiber optic connection per 7.0 mm of width W 1 of the front openings 178A, 178B.
- each of the front openings 178A, 178B may support twelve (12) fiber optic connections in the widths W 1 to support a fiber optic connection density of at least one fiber optic connection per 6.9 mm of width W 1 of the front openings 178A, 178B.
- the height H 1 of front openings 178A, 178B could be designed to be at least ninety percent (90%) of the height H 2 of the front side 172 of the main body 180 of the fiber optic module 160 .
- the front openings 178A, 178B have sufficient height to receive the fiber optic components 23 , while three (3) fiber optic modules 160 can be disposed in the height of a 1-U space.
- the height H 1 could be twelve (12) mm or less or ten (10) mm or less.
- the height H 1 could be ten (10) mm and height H 2 could be eleven (11) mm, for a ratio of height H 1 to height H 2 of 90.9%.
- FIG. 19 illustrates another alternate fiber optic module 190 that may be provided in the fiber optic equipment trays 20 to support fiber optic connections and connection densities and bandwidths.
- FIG. 20 is a right front perspective view of the fiber optic module 190 of FIG. 19 .
- the fiber optic module 190 is designed to fit across two sets of module rail guides 32.
- a longitudinal receiver 192 is disposed through a center axis 194 and is configured to receive a module rail guide 32 in the fiber optic equipment tray 20 through an opening 193 in the receiver 192.
- Module rails 195A, 195B similar to the module rails 28A, 28B of the fiber optic module 22 of FIGS. 1-13 , are disposed on each side 198, 200 of the fiber optic module 190 that are configured to engage with tray channels 30 in the fiber optic equipment tray 20.
- Up to twenty-four (24) fiber optic components 23 can be disposed in a front side 202 of the fiber optic module 190.
- the fiber optic components 23 are comprised of up to twelve (12) duplex LC fiber optic adapters, which are connected to one twenty-four (24) fiber MPO fiber optic connector 204 disposed in a rear end 206 of the fiber optic module 190.
- the fiber optic components 23 are comprised of up to twelve (12) duplex LC fiber optic adapters, which are connected to one twenty-four (24) fiber MPO fiber optic connector 204 disposed in a rear end 206 of the fiber optic module 190.
- Supporting up to twenty-four (24) fiber optic connections per fiber optic module 190 equates to the chassis 12 supporting up to one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty-four (24) fiber optic connections X six (6) fiber optic modules 190 in a 1-U space).
- the chassis 12 is capable of supporting up to one hundred forty-four (144) fiber optic connections in a 1-U space by twenty (24) simplex or twelve (12) duplex fiber optic adapters being disposed in the fiber optic modules 190.
- Supporting up to twenty-four (20) fiber optic connections per fiber optic module 190 equates to the chassis 12 supporting one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty (20) fiber optic connections X six (6) fiber optic modules 190 in a 1-U space).
- the chassis 12 is also capable of supporting up to one hundred twenty (120) fiber optic connections in a 1-U space by twenty (20) simplex or ten (10) duplex fiber optic adapters being disposed in the fiber optic modules 190 .
- FIG. 21 illustrates a front view of the fiber optic module 190 of FIGS. 19-20 without loaded fiber optic components 23 in the front side 202 to further illustrate the form factor of the fiber optic module 190 .
- Front openings 208A, 208B are disposed on each side of the receiver 192 and through the front side 202 of a main body 210 of the fiber optic module 190 to receive the fiber optic components 23 .
- the widths W 1 and W 2 and the heights H 1 and H 2 are the same as in the fiber optic module 22 as illustrated in FIG. 13 .
- the width W 1 of front openings 208A, 208B is designed to be at least eighty-five percent (85%) of the width W 2 of the front side 202 of the main body 210 of the fiber optic module 190 .
- the greater the percentage of the width W 1 to width W 2 the larger the area provided in the front openings 208A, 208B to receive fiber optic components 23 without increasing the width W 2 .
- the width W 1 of front openings 208A, 208B could each be designed to be greater than eighty-five percent (85%) of the width W 2 of the front side 202 of the main body 210 of the fiber optic module 190.
- the width W 1 could be designed to be between ninety percent (90%) and ninety-nine percent (99%) of the width W 2 .
- the width W 1 could be less than ninety (90) mm.
- the width W 1 could be less than eighty-five (85) mm or less than eighty (80) mm.
- width W 1 may be eighty-three (83) mm and width W 2 .may be eighty-five (85) mm, for a ratio of width W 1 to width W 2 of 97.6%.
- the front openings 208A, 208B may support twelve (12) fiber optic connections in the widths W 1 to support fiber optic connection density of at least one fiber optic connection per 7.0 mm of width W 1 of the front openings 208A, 208B .
- each of the front openings 208A, 208B may support twelve (12) fiber optic connections in the widths W 1 to support a fiber optic connection density of at least one fiber optic connection per 6.9 mm of width W 1 of the front openings 208A, 208B.
- the height H 1 of front openings 208A, 208B could be designed to be at least ninety percent (90%) of the height H 2 of the front side 202 of the main body 210 of the fiber optic module 190 .
- the front openings 208A, 208B have sufficient height to receive the fiber optic components 23 , while three (3) fiber optic modules 190 can be disposed in the height of a 1-U space.
- the height H 1 could be twelve (12) mm or less or ten (10) mm or less.
- the height H 1 could be ten (10) mm and the height H 2 could be eleven (11) mm, for a ratio of height H 1 to height H 2 of 90.9%.
- FIG. 22 illustrates another alternate fiber optic module 220 that may be provided in a fiber optic equipment tray 20' to support a higher number of fiber optic connections and connection densities and bandwidths in a 1-U space.
- the fiber optic equipment tray 20' in this embodiment is similar to the fiber optic equipment tray 20 previously discussed above; however, the fiber optic equipment tray 20' only contains three (3) module rail guides 32 instead of five (5) module rail guides 32. Thus, the fiber optic equipment tray 20' only supports two fiber optic modules 220 across a 1-U width space. Thus, the fiber optic module 220 does not have to provide the channel 162 or receiver 192 of the fiber optic modules 160, 190 , respectively, to be disposed within the fiber optic equipment tray 20'.
- FIG. 23 is a right front perspective view of the fiber optic module 220 of FIG.
- the fiber optic module 220 is designed to fit across one set of module rail guides 32 in the fiber optic equipment tray 20'.
- Module rails 225A, 225B similar to the module rails 28A, 28B of the fiber optic module 22 of FIGS. 1-13 , are disposed on each side 228, 230 of the fiber optic module 220 that are configured to engage with tray channels 30 in the fiber optic equipment tray 20' , as illustrated in FIG. 22 .
- Up to twenty-four (24) fiber optic components 23 can be disposed in a front side 232 of the fiber optic module 220.
- the fiber optic components 23 are comprised of up to twelve (12) duplex LC fiber optic adapters, which are connected to one twenty-four (24) fiber MPO fiber optic connector 234 disposed in a rear end 236 of the fiber optic module 220.
- the fiber optic components 23 are comprised of up to twelve (12) duplex LC fiber optic adapters, which are connected to one twenty-four (24) fiber MPO fiber optic connector 234 disposed in a rear end 236 of the fiber optic module 220.
- Supporting up to twenty-four (24) fiber optic connections per fiber optic module 220 equates to the chassis 12 supporting up to one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty-four (24) fiber optic connections X six (6) fiber optic modules 220 in a 1-U space).
- the chassis 12 is capable of supporting up to one hundred forty-four (144) fiber optic connections in a 1-U space by twenty (24) simplex or twelve (12) duplex fiber optic adapters being disposed in the fiber optic modules 220.
- Supporting up to twenty (20) fiber optic connections per fiber optic module 220 equates to the chassis 12 supporting one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty (20) fiber optic connections X six (6) fiber optic modules 220 in a 1-U space).
- the chassis 12 is also capable of supporting up to one hundred twenty (120) fiber optic connections in a 1-U space by twenty (20) simplex or ten (10) duplex fiber optic adapters being disposed in the fiber optic modules 220.
- FIG. 24 illustrates a front view of the fiber optic module 220 of FIGS. 22-23 without loaded fiber optic components 23 in the front side 232 to further illustrate the form factor of the fiber optic module 220 in this embodiment.
- a front opening 238 is through the front side 232 of a main body 240 of the fiber optic module 220 to receive the fiber optic components 23 .
- Width W 4 of the front opening 238 is twice the width W 1 of the front opening 98 in the fiber optic module 22 illustrated in FIG. 13 .
- Width W 5 of the front side 232 is one hundred eighty-eight (188) mm. the width W 2 of the front side 96 in the fiber optic module 22 illustrated in FIG. 13 . .
- the width W 4 of the front opening 238 is designed to be at least eighty-five percent (85%) of the width W 5 of the front side 232 of the main body 240 of the fiber optic module 220 .
- the greater the percentage of the width W 4 to the width W 5 the larger the area provided in the front opening 238 to receive fiber optic components 23 without increasing the width W 4 .
- Width W 4 of the front opening 238 could be designed to be greater than eighty-five percent (85%) of the width W 5 of the front side 232 of the main body 240 of the fiber optic module 220 .
- the width W 4 could be designed to be between ninety percent (90%) and ninety-nine percent (99%) of the width of W 5 .
- the width W 4 could be less than one hundred eighty (180) mm.
- the width W 4 could be less than one hundred seventy (170) mm or less than one hundred sixty (160) mm.
- the front opening 238 may support twenty-four (24) fiber optic connections in the width W 4 to support a fiber optic connection density of at least one fiber optic connection per 7.0 mm of width W 4 of the front opening 238 .
- the front opening 238 may support twenty-four (24) fiber optic connections in the width W 4 to support a fiber optic connection density of at least one fiber optic connection per 6.9 mm of width W 4 of the front opening 238 .
- the height H 1 of the front opening 238 could be designed to be at least ninety percent (90%) of the height H 2 of the front side 232 of the main body 240 of the fiber optic module 220 .
- the front opening 238 has sufficient height to receive the fiber optic components 23 , while three (3) fiber optic modules 220 can be disposed in the height of a 1-U space.
- the height H 1 could be twelve (12) mm or less or ten (10) mm or less.
- the height H 1 could be ten (10) mm and height H 2 could be eleven (11) mm, for a ratio of height H 1 to height H 2 of 90.9%.
- FIG. 25 illustrates another embodiment of fiber optic equipment 260 that can include fiber optic equipment trays previously described above and illustrated to support fiber optic modules.
- the fiber optic equipment 260 in this embodiment includes a 4-U sized chassis 262 configured to hold fiber optic equipment trays each supporting one or more fiber optic modules.
- the supported fiber optic equipment trays may be any of the fiber optic equipment trays 20, 20' previously described above and thus will not be described again here.
- the supported fiber optic modules may be any of the fiber optic modules 22, 22', 22", 160, 190, 220 previously described above and thus will not be described again here.
- the chassis 262 is illustrated as supporting twelve (12) fiber optic equipment trays 20 each capable of supporting fiber optic modules 22.
- the tray guides 58 previously described are used in the chassis 262 to support tray rails 56 of the fiber optic equipment trays 20 therein and to allow each fiber optic equipment tray 20 to be independently extended out from and retracted back into the chassis 262.
- a front door 264 is attached to the chassis 262 and is configured to close about the chassis 262 to secure the fiber optic equipment trays 20 contained in the chassis 262.
- a cover 266 is also attached to the chassis 262 to secure the fiber optic equipment trays 20.
- up to twelve (12) fiber optic equipment trays 20 can be provided.
- the fiber optic connection densities and connection bandwidths are still the same per 1-U space.
- the fiber optic connection densities and connection bandwidth capabilities have been previously described and equally applicable for the chassis 4262 of FIG. 25 , and thus will not be described again here.
- two (2) optical fibers duplexed for one (1) transmission/reception pair can allow for a data rate of ten (10) Gigabits per second in half-duplex mode or twenty (20) Gigabits per second in full-duplex mode.
- optical fibers in a twelve (12) fiber MPO fiber optic connector duplexed for four (4) transmission/reception pairs can allow for a data rate of forty (40) Gigabits per second in half-duplex mode or eighty (80) Gigabits per second in full-duplex mode.
- twenty optical fibers in a twenty-four (24) fiber MPO fiber optic connector duplexed for ten (10) transmission/reception pairs can allow for a data rate of one hundred (100) Gigabits per second in half-duplex mode or two hundred (200) Gigabits per second in full-duplex mode.
- the chassis may be configured to support any amount of fiber optic connections and bandwidth as set out in the table above. As non-limiting examples, then, the chassis may be configured to support a fiber optic connection density of at least ninety-eight (98), at least one hundred twenty (120) per U space, or at least one hundred forty-four (144) fiber optic connections per U space based on using at least one simplex or duplex fiber optic component. Additionally, the chassis may be configured to support a fiber optic connection density of at least four hundred thirty-four (434) or at least five hundred seventy-six (576) fiber optic connections per U space based on using at least one twelve (12) fiber, fiber optic component.
- chassis may be configured to support a fiber optic connection density of at least eight hundred sixty-six (866) per U space or at least one thousand one hundred fifty-two (1152) fiber optic connections per U space based on using at least one twenty-four (24) fiber, fiber optic component.
- the chassis may be configured to support a full-duplex connection bandwidth of at least nine hundred sixty-two (962) Gigabits per second per U space, at least one thousand two hundred (1200) Gigabits per second, or at least one thousand four hundred forty (1440) Gigabits per second per U space based on using at least one simplex or duplex fiber optic component.
- 962 nine hundred sixty-two
- 1200 Gigabits per second
- the chassis may be configured to support a full-duplex connection bandwidth of at least nine hundred sixty-two (962) Gigabits per second per U space, at least one thousand two hundred (1200) Gigabits per second, or at least one thousand four hundred forty (1440) Gigabits per second per U space based on using at least one simplex or duplex fiber optic component.
- the chassis may be configured to support a full-duplex connection bandwidth of at least four thousand three hundred twenty-two (4322) Gigabits per second per U space, at least four thousand eight hundred (4800) Gigabits per second, or at least five thousand seven hundred sixty (5760) Gigabits per second per U space based on using at least one twelve (12) fiber, fiber optic component. Further, the chassis may be configured to support a full-duplex connection bandwidth of at least eight thousand six hundred forty-two (8642) Gigabits per second per U space.
- fiber optic cables and/or “optical fibers” include all types of single mode and multi-mode light waveguides, including one or more optical fibers that may be upcoated, colored, buffered, ribbonized and/or have other organizing or protective structure in a cable such as one or more tubes, strength members, jackets or the like.
- other types of suitable optical fibers include bend-insensitive optical fibers, or any other expedient of a medium for transmitting light signals.
- An example of a bend-insensitive optical fiber is ClearCurve® Multimode fiber commercially available from Corning Incorporated.
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Abstract
Description
- This application claims the benefit of
U.S. Provisional Application Serial No. 61/218,880 filed on June 19, 2009 - The technology of the disclosure relates to fiber optic connection density and bandwidth provided in fiber optic apparatuses and equipment.
- Benefits of optical fiber include extremely wide bandwidth and low noise operation. Because of these advantages, optical fiber is increasingly being used for a variety of applications, including but not limited to broadband voice, video, and data transmission. Fiber optic networks employing optical fiber are being developed and used to deliver voice, video, and data transmissions to subscribers over both private and public networks. These fiber optic networks often include separated connection points linking optical fibers to provide "live fiber" from one connection point to another connection point. In this regard, fiber optic equipment is located in data distribution centers or central offices to support interconnections. For example, the fiber optic equipment can support interconnections between servers, storage area networks (SANs), and other equipment at data centers. Interconnections may be supported by fiber optic patch panels or modules.
- The fiber optic equipment is customized based on the application and connection bandwidth needs. The fiber optic equipment is typically included in housings that are mounted in equipment racks to optimize use of space. The data rates that can be provided by equipment in a data center are governed by the connection bandwidth supported by the fiber optic equipment. The bandwidth is governed by the number of optical fiber ports included in the fiber optic equipment and the data rate capabilities of a transceiver connected to the optical fiber ports. When additional bandwidth is needed or desired, additional fiber optic equipment can be employed or scaled in the data center to increase optical fiber port count. However, increasing the number of optical fiber ports can require more equipment rack space in a data center. Providing additional space for fiber optic equipment increases costs. A need exists to provide fiber optic equipment that provides a foundation in data centers for migration to high density patch fields and ports and greater connection bandwidth capacity to provide a migration path to higher data rates while minimizing the space needed for such fiber optic equipment.
- Embodiments disclosed in the detailed description include high-density and connection bandwidth fiber optic apparatuses and related equipment and methods. In certain embodiments, fiber optic apparatuses comprising a chassis are provided. the chassis may be configured to support a fiber optic connection density of at least ninety-eight (98), at least one hundred twenty (120) per U space, or at least one hundred forty-four (144) fiber optic connections per U space based on using at least one simplex or duplex fiber optic component. In other disclosed embodiments, the chassis may be configured to support a fiber optic connection density of at least four hundred thirty-four (434) or at least five hundred seventy-six (576) fiber optic connections per U space based on using at least one twelve (12) fiber, fiber optic component. In other disclosed embodiments, the at least one of the chassis may be configured to support a fiber optic connection density of at least eight hundred sixty-six (866) per U space or at least one thousand one hundred fifty-two (1152) fiber optic connections per U space based on using at least one twenty-four (24) fiber, fiber optic component. Methods of providing and supporting the aforementioned fiber optic connections densities are also provided.
- In other embodiments, fiber optic apparatuses comprising a chassis may be configured to support a full-duplex connection bandwidth of at least nine hundred sixty-two (962) Gigabits per second per U space, at least one thousand two hundred (1200) Gigabits per second, or at least one thousand four hundred forty (1440) Gigabits per second per U space based on using at least one simplex or duplex fiber optic component. In other disclosed embodiments, the chassis may be configured to support a full-duplex connection bandwidth of at least four thousand three hundred twenty-two (4322) Gigabits per second per U space, at least four thousand eight hundred (4800) Gigabits per second, or at least five thousand seven hundred sixty (5760) Gigabits per second per U space based on using at least one twelve (12) fiber, fiber optic component. In another disclosed embodiment, the chassis may be configured to support a full-duplex connection bandwidth of at least eight thousand six hundred forty-two (8642) Gigabits per second per U space. Methods of providing and supporting the aforementioned fiber optic connection bandwidths are also provided.
- Additional features and advantages will be set forth in the detailed description which follows, and in part will be readily apparent to those skilled in the art from that description or recognized by practicing the invention as described herein, including the detailed description that follows, the claims, as well as the appended drawings.
- It is to be understood that both the foregoing general description and the following detailed description present embodiments, and are intended to provide an overview or framework for understanding the nature and character of the disclosure. The accompanying drawings are included to provide a further understanding, and are incorporated into and constitute a part of this specification. The drawings illustrate various embodiments, and together with the description serve to explain the principles and operation of the concepts disclosed.
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FIG. 1 is a front perspective view of an exemplary fiber optic equipment rack with an installed exemplary 1-U size chassis supporting high-density fiber optic modules to provide a given fiber optic connection density and bandwidth capability, according to one embodiment; -
FIG. 2 is a rear perspective close-up view of the chassis ofFIG. 1 with fiber optic modules installed in fiber optic equipment trays installed in the fiber optic equipment; -
FIG. 3 is a front perspective view of one fiber optic equipment tray with installed fiber optic modules configured to be installed in the chassis ofFIG. 1 ; -
FIG. 4 is a close-up view of the fiber optic equipment tray ofFIG. 3 without fiber optic modules installed; -
FIG. 5 is a close-up view of the fiber optic equipment tray ofFIG. 3 with fiber optic modules installed; -
FIG. 6 is a front perspective view of the fiber optic equipment tray ofFIG. 3 without fiber optic modules installed; -
FIG. 7 is a front perspective view of fiber optic equipment trays supporting fiber optic modules with one fiber optic equipment tray extended out from the chassis ofFIG. 1 ; -
FIG. 8 is a left perspective view of an exemplary tray guide disposed in the chassis ofFIG. 1 configured to receive fiber optic equipment trays ofFIG. 6 capable of supporting one or more fiber optic modules; -
FIGS. 9A and 9B are perspective and top views, respectively, of an exemplary tray rail disposed on each side of the fiber optic equipment tray ofFIG. 3 and configured to be received in the chassis ofFIG. 1 by the tray guide ofFIG. 8 ; -
FIGS. 10A and10B are front right and left perspective views, respectively, of an exemplary fiber optic module that can be disposed in the fiber optic equipment trays ofFIG. 3 ; -
FIG. 11 is a perspective, exploded view of the fiber optic module inFIGS. 10A and10B ; -
FIG. 12 is a perspective top view of the fiber optic module ofFIG. 11 with the cover removed and showing a fiber optic harness installed therein; -
FIG. 13 is a front view of the fiber optic module ofFIG. 11 without fiber optic components installed; -
FIG. 14 is a front right perspective view of another alternate fiber optic module that supports twelve (12) fiber MPO fiber optic components and which can be installed in the fiber optic equipment tray ofFIG. 3 ; -
FIG. 15 is front right perspective view of another alternate fiber optic module that supports twenty-four (24) fiber MPO fiber optic components and which can be installed in the fiber optic equipment tray ofFIG. 3 ; -
FIG. 16 is a front perspective view of an alternate fiber optic module being installed in the fiber optic equipment tray ofFIG. 3 ; -
FIG. 17 is front right perspective view of the fiber optic module ofFIG. 16 ; -
FIG. 18 is a front view of the fiber optic module ofFIGS. 16 and17 ; -
FIG. 19 is a front perspective view of another alternate fiber optic module being installed in the fiber optic equipment tray ofFIG. 3 ; -
FIG. 20 is front right perspective view of the fiber optic module ofFIG. 19 ; -
FIG. 21 is a front view of the fiber optic module ofFIGS. 19 and20 ; -
FIG. 22 is a front perspective view of another alternate fiber optic module being installed in an alternate fiber optic equipment tray that can be installed in the chassis ofFIG. 1 ; -
FIG. 23 is front right perspective view of the fiber optic module ofFIG. 22 ; -
FIG. 24 is a front view of the fiber optic module ofFIGS. 22 and23 ; and -
FIG. 25 is a front perspective view of alternate exemplary 4-U size fiber optic chassis that can support the fiber optic equipment trays and fiber optic modules according to the fiber optic equipment tray and fiber optic modules disclosed. - Reference will now be made in detail to certain embodiments, examples of which are illustrated in the accompanying drawings, in which some, but not all features are shown. Indeed, embodiments disclosed herein may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements. Whenever possible, like reference numbers will be used to refer to like components or parts.
- Embodiments disclosed in the detailed description include high-density fiber optic modules and fiber optic module housings and related equipment. In certain embodiments, the width and/or height of the front opening of fiber optic modules and/or fiber optic module housings can be provided according to a designed relationship to the width and/or height, respectively, of a front side of the main body of the fiber optic modules and fiber optic module housings to support fiber optic components or connections. In this manner, fiber optic components can be installed in a given percentage or area of the front side of the fiber optic module to provide a high density of fiber optic connections for a given fiber optic component type(s). In another embodiment, the front openings of the fiber optic modules and/or fiber optic module housings can be provided to support a designed connection density of fiber optic components or connections for a given width and/or height of the front opening of the fiber optic module and/or fiber optic module housing. Embodiments disclosed in the detailed description also include high connection density and bandwidth fiber optic apparatuses and related equipment. In certain embodiments, fiber optic apparatuses are provided and comprise a chassis defining one or more U space fiber optic equipment units, wherein at least one of the one or more U space fiber optic equipment units is configured to support a given fiber optic connection density or bandwidth in a 1-U space, and for a given fiber optic component type(s).
- In this regard,
FIG. 1 illustrates exemplary 1-U sizefiber optic equipment 10 from a front perspective view. Thefiber optic equipment 10 supports high-density fiber optic modules that support a high fiber optic connection density and bandwidth in a 1-U space, as will be described in greater detail below. Thefiber optic equipment 10 may be provided at a data distribution center or central office to support cable-to-cable fiber optic connections and to manage a plurality of fiber optic cable connections. As will be described in greater detail below, thefiber optic equipment 10 has one or more fiber optic equipment trays that each support one or more fiber optic modules. However, thefiber optic equipment 10 could also be adapted to support one or more fiber optic patch panels or other fiber optic equipment that supports fiber optic components and connectivity. - The
fiber optic equipment 10 includes a fiber optic equipment chassis 12 ("chassis 12"). Thechassis 12 is shown as being installed in a fiberoptic equipment rack 14. The fiberoptic equipment rack 14 contains twovertical rails apertures 18 for facilitating attachment of thechassis 12 inside the fiberoptic equipment rack 14. Thechassis 12 is attached and supported by the fiberoptic equipment rack 14 in the form of shelves that are stacked on top of each other within thevertical rails chassis 12 is attached to thevertical rails optic equipment rack 14 may support 1-U-sized shelves, with "U" equal to a standard 1.75 inches in height and nineteen (19) inches in width. In certain applications, the width of "U" may be twenty-three (23) inches. Also, the term fiberoptic equipment rack 14 should be understood to include structures that are cabinets as well. In this embodiment, thechassis 12 is 1-U in size; however, thechassis 12 could be provided in a size greater than 1-U as well. - As will be discussed in greater detail later below, the
fiber optic equipment 10 includes a plurality of extendable fiberoptic equipment trays 20 that each carries one or morefiber optic modules 22. Thechassis 12 and fiberoptic equipment trays 20 supportfiber optic modules 22 that support high-density fiber optic modules and a fiber optic connection density and bandwidth connections in a given space, including in a 1-U space.FIG. 1 shows exemplaryfiber optic components 23 disposed in thefiber optic modules 22 that support fiber optic connections. For example, thefiber optic components 23 may be fiber optic adapters or fiber optic connectors. As will also be discussed in greater detail later below, thefiber optic modules 22 in this embodiment can be provided such that thefiber optic components 23 can be disposed through at least eighty-five percent (85%) of the width of the front side or face of thefiber optic module 22, as an example. Thisfiber optic module 22 configuration may provide a front opening of approximately 90 millimeters (mm) or less wherein fiber optic components can be disposed through the front opening and at a fiber optic connection density of at least one fiber optic connection per 7.0 mm of width of the front opening of thefiber optic modules 22 for simplex or duplexfiber optic components 23. In this example, six (6) duplex or twelve (12) simplex fiber optic components may be installed in eachfiber optic module 22. The fiberoptic equipment trays 20 in this embodiment support up to four (4) of thefiber optic modules 22 in approximately the width of a 1-U space, and three (3) fiberoptic equipment trays 20 in the height of a 1-U space for a total of twelve (12)fiber optic modules 22 in a 1-U space. Thus, for example, if six (6) duplex fiber optic components were disposed in each of the twelve (12)fiber optic modules 22 installed in fiberoptic equipment trays 20 of thechassis 12 as illustrated inFIG. 1 , a total of one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels (i.e., transmit and receive channels), would be supported by thechassis 12 in a 1-U space. If five (5) duplex fiber optic adapters are disposed in each of the twelve (12)fiber optic modules 22 installed in fiberoptic equipment trays 20 of thechassis 12, a total of one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, would be supported by thechassis 12 in a 1-U space. Thechassis 12 also supports at least ninety-eight (98) fiber optic components in a 1-U space wherein at least one of the fiber optic components is a simplex or duplex fiber optic component. - If multi-fiber fiber optic components were installed in the
fiber optic modules 22, such as MPO components for example, higher fiber optic connection density and bandwidths would be possible overother chassis 12 that use similar fiber optic components. For example, if up to four (4) twelve (12) fiber MPO fiber optic components were disposed in eachfiber optic module 22, and twelve (12) of thefiber optic modules 22 were disposed in thechassis 12 in a 1-U space, thechassis 12 would support up to five hundred seventy-six (576) fiber optic connections in a 1-U space. If up to four (4) twenty-four (24) fiber MPO fiber optic components were disposed in eachfiber optic module 22, and twelve (12) of thefiber optic modules 22 were disposed in thechassis 12, up to one thousand one hundred fifty-two (1152) fiber optic connections in a 1-U space. -
FIG. 2 is a rear perspective close-up view of thechassis 12 ofFIG. 1 withfiber optic modules 22 loaded withfiber optic components 23 and installed in fiberoptic equipment trays 20 installed in thechassis 12. Module rails 28A, 28B are disposed on each side of eachfiber optic module 22. The module rails 28A, 28B are configured to be inserted withintray channels 30 of module rail guides 32 disposed in the fiberoptic equipment tray 20, as illustrated in more detail inFIGS. 3-5 . Note that any number of module rail guides 32 can be provided. Thefiber optic module 22 can be installed from both afront end 34 and arear end 36 of the fiberoptic equipment tray 20 in this embodiment. If it is desired to install thefiber optic module 22 in the fiberoptic equipment tray 20 from therear end 36, a front end 33 of thefiber optic module 22 can be inserted from therear end 36 of the fiberoptic equipment tray 20. More specifically, the front end 33 of thefiber optic module 22 is inserted into thetray channels 30 of the module rail guides 32. Thefiber optic module 22 can then be pushed forward within thetray channels 30 until thefiber optic module 22 reaches thefront end 34 of the module rail guides 32. Thefiber optic modules 22 can be moved towards thefront end 34 until thefiber optic modules 22 reach a stop or locking feature disposed in thefront end 34 as will described later in this application.FIG. 6 also illustrates the fiberoptic equipment tray 20 without installedfiber optic modules 22 to illustrate thetray channels 30 and other features of the fiberoptic equipment tray 20. - The
fiber optic module 22 can be locked into place in the fiberoptic equipment tray 20 by pushing thefiber optic module 22 forward to the front end 33 of the fiberoptic equipment tray 20. A locking feature in the form of afront stop 38 is disposed in the module rail guides 32, as illustrated inFIG. 3 and in more detail in the close-up view inFIG. 4 . Thefront stop 38 prevents thefiber optic module 22 from extending beyond thefront end 34, as illustrated in the close-up view of the fiberoptic equipment tray 20 with installedfiber optic modules 22 inFIG. 5 . When it is desired to remove afiber optic module 22 from the fiberoptic equipment tray 20, afront module tab 40 also disposed in the module rail guides 32 and coupled to thefront stop 38 can be pushed downward to engage thefront stop 38. As a result, thefront stop 38 will move outward away from thefiber optic module 22 such that thefiber optic module 22 is not obstructed from being pulled forward. Thefiber optic module 22, and in particular its module rails 28A, 28B (FIG. 2 ), can be pulled forward along the module rail guides 32 to remove thefiber optic module 22 from the fiberoptic equipment tray 20. - The
fiber optic module 22 can also be removed from therear end 36 of the fiberoptic equipment tray 20. To remove thefiber optic module 22 from therear end 36 of the fiberoptic equipment tray 20, alatch 44 is disengaged by pushing a lever 46 (seeFIGS. 2 and3 ; see also,FIGS. 10A and10B ) inward towards thefiber optic module 22 to release thelatch 44 from themodule rail guide 32. To facilitate pushing thelever 46 inward towards thefiber optic module 22, afinger hook 48 is provided adjacent to thelever 46 so thelever 46 can easily be squeezed into thefinger hook 48 by a thumb and index finger. - With continuing reference to
FIG. 3-6 , the fiberoptic equipment tray 20 may also containextension members 50. Routing guides 52 may be conveniently disposed on theextension members 50 to provide routing for optical fibers or fiber optic cables connected tofiber optic components 23 disposed in the fiber optic modules 22 (FIG. 3 ). The routing guides 52' on the ends of the fiberoptic equipment tray 20 may be angled with respect to the module rail guides 32 to route optical fibers or fiber optic cables at an angle to the sides of the fiberoptic equipment tray 20.Pull tabs 54 may also be connected to theextension members 50 to provide a means to allow the fiberoptic equipment tray 20 to easily be pulled out from and pushed into thechassis 12. - As illustrated in
FIGS. 3 and6 , the fiberoptic equipment tray 20 also contains tray rails 56. The tray rails 56 are configured to be received in tray guides 58 disposed in thechassis 12 to retain and allow the fiberoptic equipment trays 20 to move in and out of thechassis 12, as illustrated inFIG. 7 . More detail regarding the tray rails 56 and their coupling to the tray guides 58 in thechassis 12 is discussed below with regard toFIGS. 8 and9A -9B. The fiberoptic equipment trays 20 can be moved in and out of thechassis 12 by theirtray rails 56 moving within the tray guides 58. In this manner, the fiberoptic equipment trays 20 can be independently movable about the tray guides 58 in thechassis 12.FIG. 7 illustrates a front perspective view of one fiberoptic equipment tray 20 pulled out from thechassis 12 among three (3) fiberoptic equipment trays 20 disposed within the tray guides 58 of thechassis 12. The tray guides 58 may be disposed on both aleft side end 60 and a right side end 62 of the fiberoptic equipment tray 20. The tray guides 58 are installed opposite and facing each other in thechassis 12 to provide complementary tray guides 58 for the tray rails 56 of the fiberoptic equipment trays 20 received therein. If it is desired to access a particular fiberoptic equipment tray 20 and/or a particularfiber optic module 22 in a fiberoptic equipment tray 20, thepull tab 54 of the desired fiberoptic equipment tray 20 can be pulled forward to cause the fiberoptic equipment tray 20 to extend forward out from thechassis 12, as illustrated inFIG. 7 . Thefiber optic module 22 can be removed from the fiberoptic equipment tray 20 as previously discussed. When access is completed, the fiberoptic equipment tray 20 can be pushed back into thechassis 12 wherein the tray rails 56 move within the tray guides 58 disposed in thechassis 12. -
FIG. 8 is a left perspective view of anexemplary tray guide 58 disposed in thechassis 12 ofFIG. 1 . As discussed above, the tray guides 58 are configured to receive fiberoptic equipment trays 20 supporting one or morefiber optic modules 22 in thechassis 12. The tray guides 58 allow the fiberoptic equipment trays 20 to be pulled out from thechassis 12, as illustrated inFIG. 7 . Thetray guide 58 in this embodiment is comprised of aguide panel 64. Theguide panel 64 may be constructed out of any material desired, including but not limited to a polymer or metal. Theguide panel 64 contains a series ofapertures 66 to facilitate attachment of theguide panel 64 to thechassis 12, as illustrated inFIG. 8 .Guide members 68 are disposed in theguide panel 64 and configured to receive thetray rail 56 of the fiberoptic equipment tray 20. Three (3)guide members 68 are disposed in theguide panel 64 in the embodiment ofFIG. 8 to be capable of receiving up to three (3) tray rails 56 of three (3) fiberoptic equipment trays 20 in a 1-U space. However, any number ofguide members 68 desired may be provided in thetray guide 58 to cover sizes less than or greater than a 1-U space. In this embodiment, theguide members 68 each includeguide channels 70 configured to receive and allowtray rails 56 to move along theguide channels 70 for translation of the fiberoptic equipment trays 20 about thechassis 12. - Leaf springs 72 are disposed in each of the
guide members 68 of thetray guide 58 and are each configured to provide stopping positions for the tray rails 56 during movement of the fiberoptic equipment tray 20 in theguide members 68. The leaf springs 72 each containdetents 74 that are configured to receive protrusions 76 (FIG. 9A-9D ) disposed in the tray rails 56 to provide stopping or resting positions. The tray rails 56 contain mountingplatforms 75 that are used to attach the tray rails 56 to the fiberoptic equipment trays 20. It may be desirable to provide stopping positions in thetray guide 56 to allow the fiberoptic equipment trays 20 to have stopping positions when moved in and out of thechassis 12. Two (2)protrusions 76 in thetray rail 56 are disposed in two (2)detents 74 in thetray guide 58 at any given time. When the fiberoptic equipment tray 20 is fully retracted into thechassis 12 in a first stopping position, the two (2)protrusions 76 of thetray rail 56 are disposed in the onedetent 74 adjacent arear end 77 of theguide channel 70 and themiddle detent 74 disposed between therear end 77 and afront end 78 of theguide channel 70. When the fiberoptic equipment tray 20 is pulled out from thechassis 12, the two (2)protrusions 76 of thetray rail 56 are disposed in the onedetent 74 adjacent thefront end 78 of theguide channel 70 and themiddle detent 74 disposed between therear end 77 and thefront end 78 of theguide channel 70. - As the
tray rail 56 is pulled within theguide channel 70, aprotrusion 80 disposed in thetray rail 56 and illustrated inFIGS. 9A and 9B is biased to pass overtransition members 82 disposed between theleaf springs 72, as illustrated inFIG. 8 . Theprotrusion 80 is provided in aleaf spring 81 disposed in thetray rail 56, as illustrated inFIGS. 9A and 9B . Thetransition members 82 have inclinedsurfaces 84 that allow theprotrusion 80 to pass over thetransition members 82 as the fiberoptic equipment tray 20 is being translated with theguide channel 70. As theprotrusion 80 contains thetransition members 82, the force imparted onto theprotrusion 80 causes theleaf spring 81 to bend inward to allow theprotrusion 80 to pass over thetransition member 82. To prevent thetray rail 56 and thus the fiberoptic equipment tray 20 from being extended beyond thefront end 78 andrear end 77 of theguide channel 70, stoppingmembers 86 are disposed at thefront end 78 andrear end 77 of theguide channel 70. The stoppingmembers 86 do not have an inclined surface; thus theprotrusion 80 in thetray rail 56 abuts against the stoppingmember 86 and is prevented from extending over the stoppingmember 86 and outside of thefront end 78 of theguide channel 70. - Against the background of the above disclosed embodiment of a 1-
U chassis 12 and fiberoptic equipment trays 20 andfiber optic modules 22 that can installed therein, the form factor of thefiber optic module 22 will now be described. The form factor of thefiber optic module 22 allows a high density offiber optic components 23 to be disposed within a certain percentage area of the front of thefiber optic module 22 thus supporting a particular fiber optic connection density and bandwidth for a given type offiber optic component 23. When thisfiber optic module 22 form factor is combined with the ability to support up to twelve (12)fiber optic modules 22 in a 1-U space, as described by theexemplary chassis 12 example above, a higher fiber optic connection density and bandwidth is supported and possible. - In this regard,
FIGS. 10A and10B are right and left perspective views of the exemplaryfiber optic module 22. As discussed above, thefiber optic module 22 can be installed in the fiberoptic equipment trays 20 to provide fiber optic connections in thechassis 12. Thefiber optic module 22 is comprised of amain body 90 receiving acover 92. An internal chamber 94 (FIG. 11 ) disposed inside themain body 90 and thecover 92 and is configured to receive or retain optical fibers or a fiber optic cable harness, as will be described in more detail below. Themain body 90 is disposed between afront side 96 and arear side 98 of themain body 90.Fiber optic components 23 can be disposed through thefront side 96 of themain body 90 and configured to receive fiber optic connectors connected to fiber optic cables (not shown). In this example, thefiber optic components 23 are duplex LC fiber optic adapters that are configured to receive and support connections with duplex LC fiber optic connectors. However, any fiber optic connection type desired can be provided in thefiber optic module 22. Thefiber optic components 23 are connected to afiber optic component 100 disposed through therear side 98 of themain body 90. In this manner, a connection to thefiber optic component 23 creates a fiber optic connection to thefiber optic component 100. In this example, thefiber optic component 100 is a multi-fiber MPO fiber optic adapter equipped to establish connections to multiple optical fibers (e.g., either twelve (12) or twenty-four (24) optical fibers). Thefiber optic module 22 may also manage polarity between thefiber optic components - The module rails 28A, 28B are disposed on each
side fiber optic module 22. As previously discussed, the module rails 28A, 28B are configured to be inserted within the module rail guides 32 in the fiberoptic equipment tray 20, as illustrated inFIG. 3 . In this manner, when it is desired to install afiber optic module 22 in the fiberoptic equipment tray 20, thefront side 96 of thefiber optic module 22 can be inserted from either the front end 33 or therear end 36 of the fiberoptic equipment tray 20, as previously discussed. -
FIG. 11 illustrates thefiber optic module 22 in an exploded view with thecover 92 of thefiber optic module 22 removed to illustrate theinternal chamber 94 and other internal components of thefiber optic module 22.FIG. 12 illustrates thefiber optic module 22 assembled, but without thecover 92 installed on themain body 90. Thecover 92 includesnotches 106 disposed insides 108, 110 that are configured to interlock withprotrusions 112 disposed on thesides main body 90 of thefiber optic modules 22 when thecover 92 is attached to themain body 90 to secure thecover 92 to themain body 90. Thecover 92 also containsnotches front side 118 andrear side 120, respectively, of thecover 92. Thenotches protrusions front side 96 and therear end 98, respectively, of themain body 90 when thecover 92 is attached to themain body 90 to also secure thecover 92 to themain body 90.FIG. 12 does not showprotrusions - With continuing reference to
FIG. 11 , thefiber optic components 23 are disposed through afront opening 126 disposed along a longitudinal axis L1 in thefront side 96 of themain body 90. In this embodiment, thefiber optic components 23 areduplex LC adapters 128, which support single or duplex fiber connections and connectors. Theduplex LC adapters 128 in this embodiment containprotrusions 130 that are configured to engage withorifices 135 disposed on themain body 90 to secure theduplex LC adapters 128 in themain body 90 in this embodiment. Acable harness 134 is disposed in theinternal chamber 94 withfiber optic connectors optical fibers 139 connected to theduplex LC adapters 128 and thefiber optic component 100 disposed in therear side 98 of themain body 90. Thefiber optic component 100 in this embodiment is a twelve (12) fiber MPOfiber optic adapter 140 in this embodiment. Twovertical members internal chamber 94 of themain body 90, as illustrated inFIG. 12 , to retain the looping of theoptical fibers 139 of thecable harness 134. Thevertical members optical fibers 139 no greater than forty (40)mm and preferably twenty-five (25)mm or lessin this embodiment. -
FIG. 13 illustrates a front view of thefiber optic module 22 without loadedfiber optic components 23 in thefront side 96 to further illustrate the form factor of thefiber optic module 22. As previously discussed, thefront opening 126 is disposed through thefront side 96 of themain body 90 to receive thefiber optic components 23. The greater the width W1 of thefront opening 126, the greater the number offiber optic components 23 that may be disposed in thefiber optic module 22. Greater numbers offiber optic components 23 equates to more fiber optic connections, which supports higher fiber optic connectivity and bandwidth. However, the larger the width W1 of thefront opening 126, the greater the area required to be provided in thechassis 12 for thefiber optic module 22. Thus, in this embodiment, the width W1 of thefront opening 126 is design to be at least eighty-five percent (85%) of the width W2 of thefront side 96 of themain body 90 of thefiber optic module 22. The greater the percentage of the width W1 to width W2 , the larger the area provided in thefront opening 126 to receivefiber optic components 23 without increasing width W2. Width W3 , the overall width of thefiber optic module 22, may be 86.6 mm or 3.5 inches in this embodiment. The overall depth D1 of thefiber optic module 22 is 113.9 mm or 4.5 inches in this embodiment (FIG. 12 ). As previously discussed, thefiber optic module 22 is designed such that four (4)fiber optic modules 22 can be disposed in a 1-U width space in the fiberoptic equipment tray 20 in thechassis 12. The width of thechassis 12 is designed to accommodate a 1-U space width in this embodiment. - With three (3) fiber
optic equipment trays 20 disposed in the 1-U height of thechassis 12, a total of twelve (12)fiber optic modules 22 can be supported in a given 1-U space. Supporting up to twelve (12) fiber optic connections perfiber optic module 22 as illustrated in thechassis 12 inFIG. 1 equates to thechassis 12 supporting up to one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels, in a 1-U space in the chassis 12 (i.e., twelve (12) fiber optic connections X twelve (12)fiber optic modules 22 in a 1-U space). Thus, thechassis 12 is capable of supporting up to one hundred forty-four (144) fiber optic connections in a 1-U space by twelve (12) simplex or six (6) duplex fiber optic adapters being disposed in thefiber optic modules 22. Supporting up to ten (10) fiber optic connections perfiber optic module 22 equates to thechassis 12 supporting one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, in a 1-U space in the chassis 12 (i.e., ten (10) fiber optic connections X twelve (12)fiber optic modules 22 in a 1-U space). Thus, thechassis 12 is also capable of supporting up to one hundred twenty (120) fiber optic connections in a 1-U space by ten (10) simplex or five (5) duplex fiber optic adapters being disposed in thefiber optic modules 22. - This embodiment of the
chassis 12 andfiber optic module 22 disclosed herein can support a fiber optic connection density within a 1-U space wherein the area occupied by thefiber optic component 23 in twelve (12)fiber optic modules 22 in a 1-U space represents at least fifty percent (50%) of the total fiberoptic equipment rack 14 area in a 1-U space (seeFIG. 1 ). In the case of twelve (12)fiber optic modules 22 provided in a 1-U space in thechassis 12, the 1-U space is comprised of thefiber optic components 23 occupying at least seventy-five percent (75%) of the area of thefront side 96 of thefiber optic module 22. - Two (2) duplexed optical fibers to provide one (1) transmission/reception pair can allow for a data rate of ten (10) Gigabits per second in half-duplex mode or twenty (20) Gigabits per second in full-duplex mode. Thus, with the above-described embodiment, providing at least seventy-two (72) duplex transmission and reception pairs in a 1-U space employing at least one duplex or simplex fiber optic component can support a data rate of at least seven hundred twenty (720) Gigabits per second in half-duplex mode in a 1-U space or at least one thousand four hundred forty (1440) Gigabits per second in a 1-U space in full-duplex mode if employing a ten (10) Gigabit transceiver. This configuration can also support at least six hundred (600) Gigabits per second in half-duplex mode in a 1-U space and at least one thousand two hundred (1200) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a one hundred (100) Gigabit transceiver. This configuration can also support at least four hundred eighty (480) Gigabits per second in half-duplex mode in a 1-U space and nine hundred sixty (960) Gigabits per second in full duplex mode in a 1-U space, respectively, if employing a forty (40) Gigabit transceiver. At least sixty (60) duplex transmission and reception pairs in a 1-U space can allow for a data rate of at least six hundred (600) Gigabits per second in a 1-U space in half-duplex mode or at least one thousand two hundred (1200) Gigabits per second in a 1-U space in full-duplex mode when employing a ten (10) Gigabit transceiver. At least forty nine (49) duplex transmission and reception pairs in a 1-U space can allow for a data rate of at least four hundred eighty-one (481) Gigabits per second in half-duplex mode or at least nine hundred sixty-two (962) Gigabits per second in a 1-U space in full-duplex mode when employing a ten (10) Gigabit transceiver.
- The width W1 of
front opening 126 could be designed to be greater than eighty-five percent (85%) of the width W2 of thefront side 96 of themain body 90 of thefiber optic module 22. For example, the width W1 could be designed to be between ninety percent (90%) and ninety-nine percent (99%) of the width W2. As an example, the width W1 could be less than ninety (90) mm. As another example, the width W1 could be less than eighty-five (85) mm or less than eighty (80) mm. For example, the width W1 may be eighty-three (83) mm and width W2 may be eighty-five (85) mm, for a ratio of width W1 to width W2 of 97.6%. In this example, thefront opening 126 may support twelve (12) fiber optic connections in the width W1 to support a fiber optic connection density of at least one fiber optic connection per 7.0 mm of width W1 of thefront opening 126. Further, thefront opening 126 of thefiber optic module 22 may support twelve (12) fiber optic connections in the width W1 to support a fiber optic connection density of at least one fiber optic connection per 6.9 mm of width W1 of thefront opening 126. - Further as illustrated in
FIG. 13 , height H1 offront opening 126 could be designed to be at least ninety percent (90%) of height H2 of thefront side 96 of themain body 90 of thefiber optic module 22. In this manner, thefront opening 126 has sufficient height to receive thefiber optic components 23, and such that three (3)fiber optic modules 22 can be disposed in a 1-U space height. As an example, height H1 could be twelve (12) mm or less or ten (10) mm or less. As an example, height H1 could be ten (10) mm and height H2 could be eleven (11) mm (or 7/16 inches), for a ratio of height H1 to width H2 of 90.9%. - Alternate fiber optic modules with alternative fiber optic connection densities are possible.
FIG. 14 is a front perspective view of an alternate fiber optic module 22' that can be installed in the fiberoptic equipment tray 20 ofFIG. 1 . The form factor of the fiber optic module 22' is the same as the form factor of thefiber optic module 22 illustrated inFIGS. 1-13 . However, in the fiber optic module 22' ofFIG. 14 , two (2) MPOfiber optic adapters 150 are disposed through thefront opening 126 of the fiber optic module 22'. The MPOfiber optic adapters 150 are connected to two (2) MPOfiber optic adapters 152 disposed in therear side 98 of themain body 90 of the fiber optic module 22'. Thus, if the MPOfiber optic adapters 150 each support twelve (12) fibers, the fiber optic module 22' can support up to twenty-four (24) fiber optic connections. Thus, in this example, if up to twelve (12) fiber optic modules 22' are provided in the fiberoptic equipment trays 20 of thechassis 12, up to two hundred eighty-eight (288) fiber optic connections can be supported by thechassis 12 in a 1-U space. Further in this example, thefront opening 126 of the fiber optic module 22' may support twenty-four (24) fiber optic connections in the width W1 (FIG. 13 ) to support a fiber optic connection density of at least one fiber optic connection per 3.4-3.5 mm of width W1 of thefront opening 126. It should be understood that the discussion with regard to modules may also apply to a panel. For purposes of this disclosure, a panel may have one or more adapter on one side and no adapters on the opposite side. - Thus, with the above-described embodiment, providing at least two-hundred eighty-eight (288) duplex transmission and reception pairs in a 1-U space employing at least one twelve (12) fiber MPO fiber optic components can support a data rate of at least two thousand eight hundred eighty (2880) Gigabits per second in half-duplex mode in a 1-U space or at least five thousand seven hundred sixty (5760) Gigabits per second in a 1-U space in full-duplex mode if employing a ten (10) Gigabit transceiver. This configuration can also support at least four thousand eight hundred (4800) Gigabits per second in half-duplex mode in a 1-U space and nine thousand six hundred (9600) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a one hundred (100) Gigabit transceiver. This configuration can also support at least one thousand nine hundred twenty (1920) Gigabits per second in half-duplex mode in a 1-U space and three thousand eight hundred forty (3840) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a forty (40) Gigabit transceiver. This configuration also supports a data rate of at least four thousand three hundred twenty-two (4322) Gigabits per second in full-duplex mode in a 1-U space when employing a ten (10) Gigabit transceiver employing at least one twelve (12) fiber MPO fiber optic component, or two thousand one hundred sixty-one (2161) Gigabits per second in full-duplex mode in a 1-U space when employing a ten (10) Gigabit transceiver employing at least one twenty-four (24) fiber MPO fiber optic component.
- If the MPO
fiber optic adapters 150 in the fiber optic module 22' support twenty-four (24) fibers, the fiber optic module 22' can support up to forty-eight (48) fiber optic connections. Thus, in this example, if up to twelve (12) fiber optic modules 22' are provided in the fiberoptic equipment trays 20 of thechassis 12, up to five hundred seventy-six (576) fiber optic connections can be supported by thechassis 12 in a 1-U space if the fiber optic modules 22' are disposed in the fiberoptic equipment trays 20. Further, in this example, thefront opening 126 of the fiber optic module 22' may support up to forty-eight (48) fiber optic connections in the width W1 to support a fiber optic connection density of at least one fiber optic connection per 1.7 mm of width W1 of thefront opening 126. -
FIG. 15 is a front perspective view of another alternatefiber optic module 22" that can be installed in the fiberoptic equipment tray 20 ofFIG. 1 . The form factor of thefiber optic module 22" is the same as the form factor of thefiber optic module 22 illustrated inFIGS. 1-13 . However, in thefiber optic module 22", four (4) MPOfiber optic adapters 154 are disposed through thefront opening 126 of thefiber optic module 22". The MPOfiber optic adapters 154 are connected to four (4) MPOfiber optic adapters 156 disposed in therear end 98 of themain body 90 of the fiber optic module 22'. Thus, if the MPOfiber optic adapters 150 support twelve (12) fibers, thefiber optic module 22" can support up to forty-eight (48) fiber optic connections. Thus, in this example, if up to twelve (12)fiber optic modules 22" are provided in the fiberoptic equipment trays 20 of thechassis 12, up to five hundred seventy-six (756) fiber optic connections can be supported by thechassis 12 in a 1-U space. Further in this example, thefront opening 126 of thefiber optic module 22" may support twenty-four (24) fiber optic connections in the width W1 to support a fiber optic connection density of at least one fiber optic connection per 1.7 mm of width W1 of thefront opening 126. - If the four (4) MPO
fiber optic adapters 154 disposed in thefiber optic module 22" support twenty-four (24) fibers, thefiber optic module 22" can support up to ninety-six (96) fiber optic connections. Thus, in this example, if up to twelve (12)fiber optic modules 22" are provided in the fiberoptic equipment trays 20 of thechassis 12, up to one thousand one hundred fifty-two (1152) fiber optic connections can be supported by thechassis 12 in a 1-U space. Further, in this example, thefront opening 126 of thefiber optic module 22" may support up to ninety-six (96) fiber optic connections in the width W1 to support a fiber optic connection density of at least one fiber optic connection per 0.85 mm of width W1 of thefront opening 126. - Further, with the above-described embodiment, providing at least five hundred seventy-six (576) duplex transmission and reception pairs in a 1-U space employing at least one twenty-four (24) fiber MPO fiber optic component can support a data rate of at least five thousand seven hundred sixty (5760) Gigabits per second in half-duplex mode in a 1-U space or at least eleven thousand five hundred twenty (11520) Gigabits per second in a 1-U space in full-duplex mode if employing a ten (10) Gigabit transceiver. This configuration can also support at least four thousand eight hundred (4800) Gigabits per second in half-duplex mode in a 1-U space and at least nine thousand six hundred (9600) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a one hundred (100) Gigabit transceiver. This configuration can also support at least three thousand eight hundred forty (3840) Gigabits per second in half-duplex mode in a 1-U space and at least seven thousand six hundred eighty (7680) Gigabits per second in full-duplex mode in a 1-U space, respectively, if employing a forty (40) Gigabit transceiver. This configuration also supports a data rate of at least eight thousand six hundred forty two (8642) Gigabits per second in full-duplex mode in a 1-U space when employing a ten (10) Gigabit transceiver employing at least one twenty-four (24) fiber MPO fiber optic component, or four thousand three hundred twenty one (4321) Gigabits per second in full-duplex mode in a 1-U space when employing a ten (10) Gigabit transceiver employing at least one twenty-four (24) fiber MPO fiber optic component.
-
FIG. 16 illustrates an alternatefiber optic module 160 that may be provided in the fiberoptic equipment trays 20 to support fiber optic connections and connection densities and bandwidths.FIG. 17 is a right front perspective view of thefiber optic module 160 ofFIG. 16 . In this embodiment, thefiber optic module 160 is designed to fit across two sets of module rail guides 32. Achannel 162 is disposed through acenter axis 164 of thefiber optic module 160 to receive amodule rail guide 32 in the fiberoptic equipment tray 20. Module rails 165A, 165B, similar to the module rails 28A, 28B of thefiber optic module 22 ofFIGS. 1-13 , are disposed on the inside thechannel 162 of thefiber optic module 160 and configured to engage withtray channels 30 in the fiberoptic equipment tray 20. Module rails 166A, 166B, similar to the module rails 28A, 28B of thefiber optic module 22 ofFIGS. 1-13 , are disposed on eachside fiber optic module 160 that are configured to engage withtray channels 30 in the fiberoptic equipment tray 20. The module rails 166A, 166B are configured to engage withtray channels 30 in amodule rail guide 32 disposed between module rail guides 32 engaged with the module rail guides 32 disposed on thesides fiber optic module 160. - Up to twenty-four (24)
fiber optic components 23 can be disposed in afront side 172 of thefiber optic module 160. In this embodiment, thefiber optic components 23 are comprised of up to twelve (12) duplex LC fiber optic adapters, which are connected to one twenty-four (24) fiber MPOfiber optic connector 174 disposed in arear end 176 of thefiber optic module 160. Thus, with three (3) fiberoptic equipment trays 20 disposed in the height of thechassis 12, a total of six (6)fiber optic modules 160 can be supported in a given 1-U space. Supporting up to twenty-four (24) fiber optic connections perfiber optic module 160 equates to thechassis 12 supporting up to one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty-four (24) fiber optic connections X six (6)fiber optic modules 160 in a 1-U space). Thus, thechassis 12 is capable of supporting up to one hundred forty-four (144) fiber optic connections in a 1-U space by twenty-four (24) simplex or twelve (12) duplex fiber optic adapters being disposed in thefiber optic modules 160. Supporting up to twenty (20) fiber optic connections perfiber optic module 160 equates to thechassis 12 supporting one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty (20) fiber optic connections X six (6)fiber optic modules 160 in a 1-U space). Thus, thechassis 12 is also capable of supporting up to one hundred twenty (120) fiber optic connections in a 1-U space by twenty (20) simplex or ten (10) duplex fiber optic adapters being disposed in thefiber optic modules 160. -
FIG. 18 illustrates a front view of thefiber optic module 160 ofFIGS. 16-17 without loadedfiber optic components 23 in thefront side 172 to further illustrate the form factor of thefiber optic module 160 in this embodiment.Front openings channel 162 are disposed through thefront side 172 of amain body 180 of thefiber optic module 160 to receive thefiber optic components 23. The widths W1 and W2 and the heights H1 and H2 are the same as in thefiber optic module 22 illustrated inFIG. 13 . Thus, in this embodiment, the widths W1 offront openings front side 172 of themain body 180 of thefiber optic module 160. The greater the percentage of the width W1 to width W2 , the larger the area provided in thefront openings fiber optic components 23 without increasing width W2. - The width W1 of the
front openings front side 172 of themain body 180 of thefiber optic module 160. For example, the width W1 could be designed to be between ninety percent (90%) and ninety-nine percent (99%) of the width W2. As an example, the width W1 could be less than ninety (90) mm. As another example, the width W1 could be less than eighty-five (85) mm or less than eighty (80) mm. For example, width W1 may be eighty-three (83) mm and width W2 may be eighty-five (85) mm, for a ratio of width W1 to width W2 of 97.6%. In this example, thefront openings front openings front openings front openings - Further as illustrated in
FIG. 18 , the height H1 offront openings front side 172 of themain body 180 of thefiber optic module 160. In this manner, thefront openings fiber optic components 23, while three (3)fiber optic modules 160 can be disposed in the height of a 1-U space. As an example, the height H1 could be twelve (12) mm or less or ten (10) mm or less. As an example, the height H1 could be ten (10) mm and height H2 could be eleven (11) mm, for a ratio of height H1 to height H2 of 90.9%. -
FIG. 19 illustrates another alternatefiber optic module 190 that may be provided in the fiberoptic equipment trays 20 to support fiber optic connections and connection densities and bandwidths.FIG. 20 is a right front perspective view of thefiber optic module 190 ofFIG. 19 . In this embodiment, thefiber optic module 190 is designed to fit across two sets of module rail guides 32. Alongitudinal receiver 192 is disposed through acenter axis 194 and is configured to receive amodule rail guide 32 in the fiberoptic equipment tray 20 through anopening 193 in thereceiver 192. Module rails 195A, 195B, similar to the module rails 28A, 28B of thefiber optic module 22 ofFIGS. 1-13 , are disposed on eachside fiber optic module 190 that are configured to engage withtray channels 30 in the fiberoptic equipment tray 20. - Up to twenty-four (24)
fiber optic components 23 can be disposed in afront side 202 of thefiber optic module 190. In this embodiment, thefiber optic components 23 are comprised of up to twelve (12) duplex LC fiber optic adapters, which are connected to one twenty-four (24) fiber MPOfiber optic connector 204 disposed in arear end 206 of thefiber optic module 190. Thus, with three (3) fiberoptic equipment trays 20 disposed in the height of thechassis 12, a total of six (6)fiber optic modules 190 can be supported in a given 1-U space. Supporting up to twenty-four (24) fiber optic connections perfiber optic module 190 equates to thechassis 12 supporting up to one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty-four (24) fiber optic connections X six (6)fiber optic modules 190 in a 1-U space). Thus, thechassis 12 is capable of supporting up to one hundred forty-four (144) fiber optic connections in a 1-U space by twenty (24) simplex or twelve (12) duplex fiber optic adapters being disposed in thefiber optic modules 190. Supporting up to twenty-four (20) fiber optic connections perfiber optic module 190 equates to thechassis 12 supporting one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty (20) fiber optic connections X six (6)fiber optic modules 190 in a 1-U space). Thus, thechassis 12 is also capable of supporting up to one hundred twenty (120) fiber optic connections in a 1-U space by twenty (20) simplex or ten (10) duplex fiber optic adapters being disposed in thefiber optic modules 190. -
FIG. 21 illustrates a front view of thefiber optic module 190 ofFIGS. 19-20 without loadedfiber optic components 23 in thefront side 202 to further illustrate the form factor of thefiber optic module 190.Front openings receiver 192 and through thefront side 202 of amain body 210 of thefiber optic module 190 to receive thefiber optic components 23. The widths W1 and W2 and the heights H1 and H2 are the same as in thefiber optic module 22 as illustrated inFIG. 13 . Thus, in this embodiment, the width W1 offront openings front side 202 of themain body 210 of thefiber optic module 190. The greater the percentage of the width W1 to width W2 , the larger the area provided in thefront openings fiber optic components 23 without increasing the width W2. - The width W1 of
front openings front side 202 of themain body 210 of thefiber optic module 190. For example, the width W1 could be designed to be between ninety percent (90%) and ninety-nine percent (99%) of the width W2. As an example, the width W1 could be less than ninety (90) mm. As another example, the width W1 could be less than eighty-five (85) mm or less than eighty (80) mm. For example, width W1 may be eighty-three (83) mm and width W2 .may be eighty-five (85) mm, for a ratio of width W1 to width W2 of 97.6%. In this example, thefront openings front openings front openings front openings - Further as illustrated in
FIG. 21 , the height H1 offront openings front side 202 of themain body 210 of thefiber optic module 190. In this manner, thefront openings fiber optic components 23, while three (3)fiber optic modules 190 can be disposed in the height of a 1-U space. As an example, the height H1 could be twelve (12) mm or less or ten (10) mm or less. As an example, the height H1 could be ten (10) mm and the height H2 could be eleven (11) mm, for a ratio of height H1 to height H2 of 90.9%. -
FIG. 22 illustrates another alternatefiber optic module 220 that may be provided in a fiber optic equipment tray 20' to support a higher number of fiber optic connections and connection densities and bandwidths in a 1-U space. The fiber optic equipment tray 20' in this embodiment is similar to the fiberoptic equipment tray 20 previously discussed above; however, the fiber optic equipment tray 20' only contains three (3) module rail guides 32 instead of five (5) module rail guides 32. Thus, the fiber optic equipment tray 20' only supports twofiber optic modules 220 across a 1-U width space. Thus, thefiber optic module 220 does not have to provide thechannel 162 orreceiver 192 of thefiber optic modules FIG. 23 is a right front perspective view of thefiber optic module 220 ofFIG. 22 . Thefiber optic module 220 is designed to fit across one set of module rail guides 32 in the fiber optic equipment tray 20'. Module rails 225A, 225B, similar to the module rails 28A, 28B of thefiber optic module 22 ofFIGS. 1-13 , are disposed on eachside fiber optic module 220 that are configured to engage withtray channels 30 in the fiber optic equipment tray 20', as illustrated inFIG. 22 . - Up to twenty-four (24)
fiber optic components 23 can be disposed in afront side 232 of thefiber optic module 220. In this embodiment, thefiber optic components 23 are comprised of up to twelve (12) duplex LC fiber optic adapters, which are connected to one twenty-four (24) fiber MPOfiber optic connector 234 disposed in arear end 236 of thefiber optic module 220. Thus, with three (3) fiber optic equipment trays 20' disposed in the height of thechassis 12, a total of six (6)fiber optic modules 220 can be supported in a given 1-U space. Supporting up to twenty-four (24) fiber optic connections perfiber optic module 220 equates to thechassis 12 supporting up to one hundred forty-four (144) fiber optic connections, or seventy-two (72) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty-four (24) fiber optic connections X six (6)fiber optic modules 220 in a 1-U space). Thus, thechassis 12 is capable of supporting up to one hundred forty-four (144) fiber optic connections in a 1-U space by twenty (24) simplex or twelve (12) duplex fiber optic adapters being disposed in thefiber optic modules 220. Supporting up to twenty (20) fiber optic connections perfiber optic module 220 equates to thechassis 12 supporting one hundred twenty (120) fiber optic connections, or sixty (60) duplex channels, in a 1-U space in the chassis 12 (i.e., twenty (20) fiber optic connections X six (6)fiber optic modules 220 in a 1-U space). Thus, thechassis 12 is also capable of supporting up to one hundred twenty (120) fiber optic connections in a 1-U space by twenty (20) simplex or ten (10) duplex fiber optic adapters being disposed in thefiber optic modules 220. -
FIG. 24 illustrates a front view of thefiber optic module 220 ofFIGS. 22-23 without loadedfiber optic components 23 in thefront side 232 to further illustrate the form factor of thefiber optic module 220 in this embodiment. Afront opening 238 is through thefront side 232 of amain body 240 of thefiber optic module 220 to receive thefiber optic components 23. Width W4 of thefront opening 238 is twice the width W1 of thefront opening 98 in thefiber optic module 22 illustrated inFIG. 13 . Width W5 of thefront side 232 is one hundred eighty-eight (188) mm. the width W2 of thefront side 96 in thefiber optic module 22 illustrated inFIG. 13 .. The heights H1 and H2 are the same as in thefiber optic module 22 illustrated inFIG. 13 . Thus, in this embodiment, the width W4 of thefront opening 238 is designed to be at least eighty-five percent (85%) of the width W5 of thefront side 232 of themain body 240 of thefiber optic module 220. The greater the percentage of the width W4 to the width W5 , the larger the area provided in thefront opening 238 to receivefiber optic components 23 without increasing the width W4 . - Width W4 of the
front opening 238 could be designed to be greater than eighty-five percent (85%) of the width W5 of thefront side 232 of themain body 240 of thefiber optic module 220. For example, the width W4 could be designed to be between ninety percent (90%) and ninety-nine percent (99%) of the width of W5 . As an example, the width W4 could be less than one hundred eighty (180) mm. As another example, the width W4 could be less than one hundred seventy (170) mm or less than one hundred sixty (160) mm. For example, width W4 may be one hundred sixty-six (166) mm and width W5 may be 171mm, for a ratio of width W4 to width W5 of 166/171 = 97%. .In this example, thefront opening 238 may support twenty-four (24) fiber optic connections in the width W4 to support a fiber optic connection density of at least one fiber optic connection per 7.0 mm of width W4 of thefront opening 238. Further, thefront opening 238 may support twenty-four (24) fiber optic connections in the width W4 to support a fiber optic connection density of at least one fiber optic connection per 6.9 mm of width W4 of thefront opening 238. - Further, as illustrated in
FIG. 24 , the height H1 of thefront opening 238 could be designed to be at least ninety percent (90%) of the height H2 of thefront side 232 of themain body 240 of thefiber optic module 220. In this manner, thefront opening 238 has sufficient height to receive thefiber optic components 23, while three (3)fiber optic modules 220 can be disposed in the height of a 1-U space. As an example, the height H1 could be twelve (12) mm or less or ten (10) mm or less. As an example, the height H1 could be ten (10) mm and height H2 could be eleven (11) mm, for a ratio of height H1 to height H2 of 90.9%. -
FIG. 25 illustrates another embodiment offiber optic equipment 260 that can include fiber optic equipment trays previously described above and illustrated to support fiber optic modules. Thefiber optic equipment 260 in this embodiment includes a 4-Usized chassis 262 configured to hold fiber optic equipment trays each supporting one or more fiber optic modules. The supported fiber optic equipment trays may be any of the fiberoptic equipment trays 20, 20' previously described above and thus will not be described again here. The supported fiber optic modules may be any of thefiber optic modules chassis 262 is illustrated as supporting twelve (12) fiberoptic equipment trays 20 each capable of supportingfiber optic modules 22. - The tray guides 58 previously described are used in the
chassis 262 to support tray rails 56 of the fiberoptic equipment trays 20 therein and to allow each fiberoptic equipment tray 20 to be independently extended out from and retracted back into thechassis 262. Afront door 264 is attached to thechassis 262 and is configured to close about thechassis 262 to secure the fiberoptic equipment trays 20 contained in thechassis 262. Acover 266 is also attached to thechassis 262 to secure the fiberoptic equipment trays 20. However, in thechassis 262, up to twelve (12) fiberoptic equipment trays 20 can be provided. However, the fiber optic connection densities and connection bandwidths are still the same per 1-U space. The fiber optic connection densities and connection bandwidth capabilities have been previously described and equally applicable for the chassis 4262 ofFIG. 25 , and thus will not be described again here. - Thus, in summary, the table below summarizes some of the fiber optic connection densities and bandwidths that are possible to be provided in a 1-U and 4-U space employing the various embodiments of fiber optic modules, fiber optic equipment trays, and chassis described above. For example, two (2) optical fibers duplexed for one (1) transmission/reception pair can allow for a data rate of ten (10) Gigabits per second in half-duplex mode or twenty (20) Gigabits per second in full-duplex mode. As another example, eight (8) optical fibers in a twelve (12) fiber MPO fiber optic connector duplexed for four (4) transmission/reception pairs can allow for a data rate of forty (40) Gigabits per second in half-duplex mode or eighty (80) Gigabits per second in full-duplex mode. As another example, twenty optical fibers in a twenty-four (24) fiber MPO fiber optic connector duplexed for ten (10) transmission/reception pairs can allow for a data rate of one hundred (100) Gigabits per second in half-duplex mode or two hundred (200) Gigabits per second in full-duplex mode. Note that this table is exemplary and the embodiments disclosed herein are not limited to the fiber optic connection densities and bandwidths provided below.
Connector Type Max Fibers per 1RU Max Fibers per 4RU Number of Connectors per 1 RU Space Number of Connectors per 4 RU Space Bandwidth per 1U using 10 Gigabit Transceivers (duplex) Bandwidth per 1U using 40 Gigabit Transceivers (duplex) Bandwidth per 1U using 100 Gigabit Transceivers (duplex) Duplexed LC 144 576 72 288 1,440 Gigabits/s. 960 Gigabits/s. 1,200 Gigabits/s. 12-F MPO 576 2,304 48 192 5,760 Gigabits/s. 3,840 Gigabits/s. 4,800 Gigabits/s. 24-F MPO 1,152 4,608 48 192 11,520 Gigabits/s. 7,680 Gigabits/s. 9,600 Gigabits/s. - The chassis may be configured to support any amount of fiber optic connections and bandwidth as set out in the table above. As non-limiting examples, then, the chassis may be configured to support a fiber optic connection density of at least ninety-eight (98), at least one hundred twenty (120) per U space, or at least one hundred forty-four (144) fiber optic connections per U space based on using at least one simplex or duplex fiber optic component. Additionally, the chassis may be configured to support a fiber optic connection density of at least four hundred thirty-four (434) or at least five hundred seventy-six (576) fiber optic connections per U space based on using at least one twelve (12) fiber, fiber optic component. Further, the chassis may be configured to support a fiber optic connection density of at least eight hundred sixty-six (866) per U space or at least one thousand one hundred fifty-two (1152) fiber optic connections per U space based on using at least one twenty-four (24) fiber, fiber optic component.
- As further non-limiting examples, the chassis may be configured to support a full-duplex connection bandwidth of at least nine hundred sixty-two (962) Gigabits per second per U space, at least one thousand two hundred (1200) Gigabits per second, or at least one thousand four hundred forty (1440) Gigabits per second per U space based on using at least one simplex or duplex fiber optic component. Additionally, the chassis may be configured to support a full-duplex connection bandwidth of at least four thousand three hundred twenty-two (4322) Gigabits per second per U space, at least four thousand eight hundred (4800) Gigabits per second, or at least five thousand seven hundred sixty (5760) Gigabits per second per U space based on using at least one twelve (12) fiber, fiber optic component. Further, the chassis may be configured to support a full-duplex connection bandwidth of at least eight thousand six hundred forty-two (8642) Gigabits per second per U space.
- Many modifications and other embodiments of the invention set forth herein will come to mind to one skilled in the art to which the invention pertains having the benefit of the teachings presented in the foregoing descriptions and the associated drawings. These modifications include, but are not limited to, number or type of fiber optic equipment, fiber optic module, fiber optic equipment tray, features included in the fiber optic equipment tray. Any size equipment, including but not limited to 1-U, 2-U and 4-U sizes may include some or all of the aforementioned features and fiber optic modules disclosed herein and some or all of their features. Further, the modifications are not limited to the type of fiber optic equipment tray or the means or device to support fiber optic modules installed in the fiber optic equipment trays. The fiber optic modules can include any fiber optic connection type, including but not limited to fiber optic connectors and adapters, and number of fiber optic connections, density, etc.
- Further, as used herein, the terms "fiber optic cables" and/or "optical fibers" include all types of single mode and multi-mode light waveguides, including one or more optical fibers that may be upcoated, colored, buffered, ribbonized and/or have other organizing or protective structure in a cable such as one or more tubes, strength members, jackets or the like. Likewise, other types of suitable optical fibers include bend-insensitive optical fibers, or any other expedient of a medium for transmitting light signals. An example of a bend-insensitive optical fiber is ClearCurve® Multimode fiber commercially available from Corning Incorporated.
- Therefore, it is to be understood that the embodiments are not to be limited to the specific embodiments disclosed and that modifications and other embodiments are intended to be included within the scope of the appended claims. It is intended that the embodiments cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (16)
- A fiber optic apparatus, comprising:a chassis (12) for supporting a plurality of fiber optic components (23);
an equipment rack (14) on which the chassis (12) is mounted, wherein the equipment rack (14) has one or more spaces for mounting the chassis (12), and wherein a space that has a width dimension of 48.26 cm or 58.42 cm and a height dimension of 4.45 cm is a 1-U space;characterized in that the fiber optic apparatus includes:up to three fiber optic equipment trays (20) disposed in the 1-U space;each fiber optic equipment tray (20) supporting one or more fiber optic modules (22), and each fiber optic module (22) supporting a plurality of the fiber optic components (23);wherein each of the fiber optic modules has a height H such that three fiber optic modules can be disposed in a 1-U space height; andthe plurality of fiber optic components (23) is disposed in the chassis (12) in a configuration that provides for at least one hundred forty-four fiber optic connections in the 1-U space, based on using at least one simplex fiber optic component or duplex fiber optic component. - The fiber optic apparatus of claim 1, wherein the at least one simplex fiber optic component or duplex fiber optic component is comprised of at least one simplex fiber optic connector or duplex fiber optic connector or at least one simplex fiber optic adapter or duplex fiber optic adapter.
- The fiber optic apparatus of claim 1, wherein the plurality of fiber optic components (23) is disposed in the chassis (12) in a configuration that provides for one of at least four hundred thirty-four fiber optic connections in the 1-U space, at least five hundred seventy-six fiber optic connections in the 1-U space, at least eight hundred sixty-six fiber optic connections in the 1-U space, and at least one thousand one hundred fifty-two fiber optic connections in the 1-U space, based on using at least one multiple fiber component.
- The fiber optic apparatus of claim 3, wherein the at least one multiple fiber component is comprised of at least one twelve fiber connector, at least one twelve fiber adapter, at least one twenty-four fiber connector, or at least one twenty-four fiber adapter.
- The fiber optic apparatus of any of claims 1 to 4, further comprising tray guides (58) disposed in the chassis (12), wherein each of the three fiber optic equipment trays (20) includes tray rails (56) that are configured to be received in the tray guides (58), and wherein the three fiber optic equipment trays (20) can be independently moved about the tray guides (58) in the chassis (12).
- The fiber optic apparatus of any of claims 1 to 5, wherein each of the up to three fiber optic equipment trays (20) comprises module rail guides (32) disposed in the fiber optic equipment tray (20) for engaging with corresponding module rails (28A, 28B) provided on the fiber optic modules (22).
- The fiber optic apparatus of claim 6, wherein the fiber optic modules (22) can be installed in the fiber optic equipment trays (20) from a front end (34) and a rear end (36) of each fiber optic equipment tray (20).
- The fiber optic apparatus of any of claims 1 to 7, wherein each of the plurality of fiber optic modules (22) comprises a main body (90) having a front side (96) and a rear side (98), a cover (92) received on the main body (90), and an internal chamber (94) inside the main body (90) and the cover (92), and further wherein the fiber optic components (23) are disposed through the front side (96) of the main body (90).
- The fiber optic apparatus of claim 8, wherein the fiber optic components (23) are disposed through a front opening (126) disposed along a longitudinal axis in the front side (96) of the main body (90).
- The fiber optic apparatus of claim 9, wherein a width W1 of the front opening (126) in the front side (96) of the main body (90) is at least eighty-five percent (85%) of a width W2 of the front side (96) of the main body (90).
- The fiber optic apparatus of claim 10, wherein each of the plurality of fiber optic modules (22) has an overall width W3 greater than the width W2 of the front side (96) or face of the main body (90).
- The fiber optic apparatus of any of claims 8 to 11, further comprising:
at least one additional fiber optic component (100) disposed through the rear side (98) of the main body (90), wherein there are fiber optic connections between the plurality of fiber optic components (23) and the at least one additional fiber optic component (100). - The fiber optic apparatus of claim 12, wherein the plurality of fiber optic components (23) comprises a plurality of duplex LC adapters (128), and wherein the at least one additional fiber optic component comprises a MPO fiber optic adapter (140).
- The fiber optic apparatus of any preceding claim, having a form factor in which the plurality of fiber optic components (23) is disposed through at least ninety percent (90%) of the height of the front side (96) or face of the fiber optic module (22).
- The fiber optic apparatus of any preceding claim, wherein the chassis is a either a 1-U sized chassis (12), a 2-U sized chassis or a 4-U sized chassis (262).
- The fiber optic apparatus of any preceding claim, wherein the plurality of fiber optic components (23) is thereby disposed in the chassis (12) in a configuration that provides for one hundred forty-four fiber optic connections in the 1-U space, based on using at least one simplex fiber optic component or duplex fiber optic component.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE20160489.9T DE20160489T1 (en) | 2009-06-19 | 2010-06-18 | HIGH DENSITY AND BANDWIDTH OPTICAL FIBER DEVICES AND RELATED EQUIPMENT AND METHODS |
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US21888009P | 2009-06-19 | 2009-06-19 | |
EP10725592.9A EP2443497B1 (en) | 2009-06-19 | 2010-06-18 | High density and bandwidth fiber optic apparatus |
PCT/US2010/039225 WO2010148336A1 (en) | 2009-06-19 | 2010-06-18 | High density and bandwidth fiber optic apparatuses and related equipment and methods |
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EP10725592.9A Division EP2443497B1 (en) | 2009-06-19 | 2010-06-18 | High density and bandwidth fiber optic apparatus |
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EP3693778A1 true EP3693778A1 (en) | 2020-08-12 |
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EP10725592.9A Active EP2443497B1 (en) | 2009-06-19 | 2010-06-18 | High density and bandwidth fiber optic apparatus |
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EP (2) | EP3693778A1 (en) |
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